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Home » adjectives » Okashii is the Japanese word for ‘strange’, explained

May 3, 2023 By Masaki Mori

Okashii is the Japanese word for ‘strange’, explained

What does “okashii” mean in Japanese?

Native speakers say “okashii” often to mean ‘strange’ in Japanese. Perhaps, some Japanese learners know this word as it is sometimes used in Japanese conversations. In this blog post, however, I will explain it together with its major conjugations. And also, I will explain how to use them through example sentences. My explanations would help Japanese learners use “okashii” more properly. Then, let’s get started!

Contents

  • Definition and meanings of “okashii”
    • Example #1: how to say “strange” in Japanese
  • Okashikunai: the nai form of “okashii”
    • Example #2: how to say “not strange” in Japanese
  • Okashikatta: the ta form of “okashii”
    • Example #3: how to say “was strange” in Japanese
  • Okashikute: the te form of “okashii”
    • Example #4: how to say “strange and” in Japanese
  • Okashikereba: the ba form of “okashii”
    • Example #5: how to say “if strange” in Japanese
  • Summary

Definition and meanings of “okashii”

Let me start with the definition and meanings of “okashii”.

  • okashii – おかしい : an i-adjective meaning ‘strange’ in Japanese. Depending on the context and situation, this can also mean ‘weird’ or ‘funny’ in Japanese.

Native speakers use this i-adjective to mean ‘strange’ or ‘weird’ in Japanese. In addition, they sometimes use this to mean ‘funny’ in Japanese. This usage is very understandable, I think. Sometimes, something unusual can be funny to us.

The definition and meanings are not that difficult. Then, let me explain how to use this i-adjective through the example sentence below.

Example #1: how to say “strange” in Japanese

kono heya wa okashii – この部屋はおかしい (このへやはおかしい)

This room is strange.

Below are the new words used in the example sentence.

  • kono – この : a determiner used before a noun referring to a thing close to the speaker. In the example, this is used before “heya” to say “this room” in Japanese.
  • heya – 部屋 (へや) : a noun meaning ‘room’ in Japanese. This can also work as plural. Learn more about Japanese plural.
  • wa – は : a binding particle working as a case marker or topic marker. In the example, this works after “kono heya” to make the subject in the sentence.

This is a typical usage of “okashii”. In this example, it works as the complement in the sentence. Like other adjectives, however, it can also work as a modifier in front of a noun. For example, we can say “okashii heya” to mean a ‘strange room’ in Japanese. When we want to mean ‘strange’ in Japanese, anyway, this i-adjective is a very good option.

So far, I’ve explained the definition and meanings of “okashii” and how to use it through the example sentence. In the rest part of this blog post, I will explain its major conjugations. The first one is “okashikunai”.

Okashikunai: the nai form of “okashii”

Below are the definition and meanings of “okashikunai”.

  • okashikunai – おかしくない : the nai form of “okashii”, which means ‘not strange’, ‘not weird’, or ‘not funny’ in Japanese.

Grammatically, “okashikunai” consists of the following two parts:

  • okashiku – おかしく : one conjugation of “okashii”. This can have a smooth connection with “nai”.
  • nai – ない : an auxiliary verb used after a verb, adjective, or auxiliary verb to deny its meaning. Word orders in Japanese and English are different, but the role of this auxiliary verb is similar to that of “not”.

From these two parts, we can understand that “okashikunai” is literally the nai form of “okashii” and means ‘not strange’, ‘not weird’, or ‘not funny’ in Japanese. Then, let me explain how to use this form through the example sentence below.

Example #2: how to say “not strange” in Japanese

watashi no heya wa okashikunai – 私の部屋はおかしくない (わたしのへやはおかしくない)

My room is not strange.

Below are the new words used in the example sentence.

  • watashi – 私 (わたし) : a pronoun meaning ‘I’ in Japanese.
  • no – の : a case particle used after a noun or pronoun to make its possessive case. In the example, this is used after “watashi” to make its possessive case, “watashi no“, which means ‘my’ in Japanese.

This is a typical usage of “okashikunai”. When we want to mean ‘not strange’ in Japanese, this nai form is a good option.

Okashikatta: the ta form of “okashii”

Below are the definition and meanings of “okashikatta”.

  • okashikatta – おかしかった : the ta form of “okashii”, which means ‘was strange’, ‘was weird’, ‘was funny’, or such in Japanese.

Grammatically, “okashikatta” consists of the following two parts:

  • okashikat – おかしかっ : one conjugation of “okashii”. This can have a smooth connection with “ta”.
  • ta – た : an auxiliary verb used after a verb, adjective, or auxiliary verb to make its past tense form. Probably, this is well known as a part of Japanese ta form.

From these two parts, we can understand that “okashikatta” is literally the ta form of “okashii” and means ‘was strange’, ‘was weird’, ‘was funny’, or such in Japanese. Let me explain how to use this form through the example sentence below.

Example #3: how to say “was strange” in Japanese

kanojo no furumai wa okashikatta – 彼女の振る舞いはおかしかった (かのじょのふるまいはおかしかった)

Her behavior was strange.

Below are the new words used in the example sentence.

  • kanojo – 彼女 (かのじょ) : a pronoun meaning ‘she’ in Japanese. In the example, this works together with the case particle, “no”, to say “her” in Japanese.
  • furumai – 振る舞い (ふるまい) : a noun meaning ‘behavior’ in Japanese.

This is a typical usage of “okashikatta”. When we want to use the past tense form of “okashii”, this ta form is the best option.

Okashikute: the te form of “okashii”

Below are the definition and meanings of “okashikute”.

  • okashikute – おかしくて : the te form of “okashii”, which means ‘strange’, ‘weird’, or ‘funny’ in Japanese.

Grammatically, “okashikute” consists of the following two parts:

  • okashiku – おかしく : one conjugation of “okashii”. This can have a smooth connection with “te”.
  • te – て : a conjunctive particle used after a verb, adjective, or auxiliary verb to make its te form.

From these two parts, we can understand that “okashikute” is literally the te form of “okashii”. In Japanese, te-formed words have some important roles. One of them is make smooth connections of words. So, “okashikute” is very useful when we want to use “okashii” in front of another adjective, a verb, or an auxiliary verb. Let me explain this usage through the example sentence below.

Example #4: how to say “strange and” in Japanese

kanojo no furumai wa okashikute ayashii – 彼女の振る舞いはおかしくて妖しい (かのじょのふるまいはおかしくてあやしい)

Her behavior is strange and bizarre.

Below is the new word used in the example sentence.

  • ayashii – 妖しい (あやしい) : an i-adjective meaning ‘bizarre’ or such in Japanese.

This is a typical usage of “okashikute”. In the example, it has the smooth connection with “ayashii”. When we want to use “okashii” in front of another adjective like this, its te form is very useful to make a smooth connection.

Okashikereba: the ba form of “okashii”

Lastly, let me explain the definition and meanings of “okashikereba”.

  • okashikereba – おかしければ : the ba form of “okashii”, which makes a conditional clause in a sentence with meaning ‘strange’, ‘weird’, or ‘funny’ in Japanese.

Grammatically, “okashikereba” consists of the following two parts:

  • okashikere – おかしけれ : one conjugation of “okashii”. This can have a smooth connection with “ba”.
  • ba – ば : a conjunctive particle used after a verb, adjective, or auxiliary verb to make its ba form.

From these two parts, we can understand that “okashikereba” is literally the ba form of “okashii”. In Japanese, the ba forms of words can work as their conditional forms. So, we can use “okashikereba” to make a conditional clause in a sentence with adding the meaning of ‘strange’, ‘weird’, or ‘funny’ in Japanese. Let me explain this usage through the example sentence below.

Example #5: how to say “if strange” in Japanese

heya ga okashikereba, oshie te kudasai – 部屋がおかしければ、教えてください (へやがおかしければ、おしえてください)

If the room is strange, please let me know.

Below are the new words used in the example sentence.

  • ga – が : a case particle used to make the subject word or the object word in a sentence. In the example, this is used after “heya” to make the subject in the conditional clause.
  • oshie – 教え (おしえ) : one conjugation of the verb, “oshieru“, which means ‘to teach’, ‘to tell’, or ‘to let someone know’ in Japanese. In the example, it has been conjugated for the better connection with its following word.
  • te – て : the same as used in “okashikute”. In the example, this is used after “oshie” to make its te form, “oshie te”. Verbs need to be changed to their te forms to be connected with “kudasai”.
  • kudasai – ください : one conjugation of the verb, “kudasaru”, which means ‘to give’ or such in Japanese. When this follows a verb, however, this can work like an auxiliary verb to add the meaning of ‘please’ in Japanese. In the example, this works like an auxiliary verb after “oshie te” to add the meaning of ‘please’.

This is a typical usage of “okashikereba”. In this example, it works as a part of the conditional clause, “heya ga okashikereba”, which means ‘if the room is strange’ in Japanese. When we want to make a conditional clause in a sentence with adding the meaning of ‘strange’ in Japanese, this ba form is a good option.

Summary

In this blog post, I’ve explained the definition and meanings of “okashii” together with its major conjugations. And also, I’ve explained how to use them through the example sentences. Let me summarize them as follows.

  • okashii – おかしい : an i-adjective meaning ‘strange’ in Japanese. Depending on the context and situation, this can also mean ‘weird’ or ‘funny’ in Japanese. This can work as both a modifier and a complement.
  • okashikunai – おかしくない : the nai form of “okashii”, which means ‘not strange’, ‘not weird’, or ‘not funny’ in Japanese.
  • okashikatta – おかしかった : the ta form of “okashii”, which means ‘was strange’, ‘was weird’, ‘was funny’, or such in Japanese.
  • okashikute – おかしくて : the te form of “okashii”, which means ‘strange’, ‘weird’, or ‘funny’ in Japanese. When we want to use “okashii” in front of another adjective, this te form is very useful to make a smooth connection.
  • okashikereba – おかしければ : the ba form of “okashii”, which makes a conditional clause in a sentence with meaning ‘strange’, ‘weird’, or ‘funny’ in Japanese.

Hope my explanations are understandable and helpful for Japanese learners.

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Filed Under: adjectives

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Written by Masaki Mori

Engineer and industrial translator for more than ten years. I teach Japanese to spread the Japanese culture. I always try to explain every single new word so that Japanese learners can understand the true meanings of example sentences. Read More…

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