おかしい

お

か

し

い

Common wordJLPTN4Freq.FrequencyTop 1,000

おかしい · i-adjective

Form	Positive	Negative
Dictionary	おかしい	おかしくない
Polite	おかしいです	おかしくないですalso おかしくありません
Past polite	おかしかったです	おかしくなかったですalso おかしくありませんでした
Past	おかしかった	おかしくなかった
Te-form	おかしくて	おかしくなくて
Adverbial	おかしく
Conditional	おかしければ	おかしくなければ
Tara conditional	おかしかったら	おかしくなかったら

Meanings

i-adjective

funny; amusing; comical

usually written using kana alone

Describes something that makes you laugh or smile; can range from genuinely humorous to laughably ridiculous.

彼かれの話はなしはいつもおかしい。
His stories are always funny.
その映えい画がはおかしくて、ずっと笑わらっていた。
That movie was so funny I laughed the whole time.

i-adjective

strange; odd; peculiar

usually written using kana alone

Describes something that feels off, unusual, or not normal; can be used for people, situations, or things.

今日きょうはなんだか様よう子すがおかしい。
You seem a bit strange today.
この機き械かい、動うごきがおかしい。
This machine is acting weird.

i-adjective

wrong; improper; inappropriate

usually written using kana alone

Used when something is morally or socially off, unsuitable, or not right for the situation.

そんなことを言いうのはおかしいよ。
It's not right to say something like that.
彼かれの服ふく装そうは葬そう式しきにはおかしい。
His outfit is inappropriate for a funeral.

i-adjective

suspicious; fishy

usually written using kana alone

Describes a situation or behavior that seems dubious or not quite right, often implying doubt or mistrust.

あの話はなしはどうもおかしいと思おもった。
I thought that story sounded suspicious.
彼かれの説せつ明めいにはおかしいところがある。
There's something fishy about his explanation.

See all 128 example sentences ›

Usage patterns

〈事こと〉がおかしくて笑わらうto laugh because something is funny
彼かれの話はなしがおかしくて笑わらってしまった。
His story was so funny I couldn't help laughing.
〈人ひと〉の様よう子すがおかしいsomeone's behavior seems strange or off
今日きょうは彼かれの様よう子すがおかしい。
He's been acting strange today.
頭あたまがおかしいto be crazy, not right in the head (informal, often insulting)
そんなことを言いうなんて頭あたまがおかしいんじゃないか。
You must be crazy to say something like that.
味あじがおかしいthe taste is off (food or drink gone bad)
この牛ぎゅう乳にゅう、味あじがおかしいよ。
This milk tastes off.
〈事こと〉はおかしいsomething is wrong or improper
その言いい方かたはおかしいと思おもう。
I think the way you're saying that is wrong.
どうもおかしいsomething feels off or suspicious
この店みせ、どうもおかしいね。
Something feels off about this shop.

Kanji

可can, passable, approval
笑laugh
怪suspicious, mystery, apparition

Related words· 13

変へんN4sense 2
変 is a na-adjective meaning 'strange' that is more neutral and objective, while おかしい often adds a subjective feeling of amusement or suspicion.
妙みょうN3sense 2
妙 suggests something mysteriously or curiously strange, while おかしい is a more everyday, direct way to say something is off.
面おも白しろいN5sense 1
面白い covers anything enjoyable or interesting, while おかしい specifically points to something that makes you laugh because it's comical.
滑こっ稽けいN1sense 1
滑稽 is a more literary or formal word for something ridiculous or comical, whereas おかしい is the everyday casual choice.

Show 9 more

怪あやしいN3sense 4
怪しい implies stronger suspicion, often hinting at danger or deceit, while おかしい can simply mean something feels a bit off.
不ふ審しんN1sense 4
不審 is a formal, often legal or official term for suspicious behavior, while おかしい is casual and conversational.
笑わらえる
おかしい is an adjective meaning 'funny' or 'strange', while 笑える is a verb form used to describe something as laughable.
狂くるうN3
おかしい is a milder adjective for 'strange' or 'off', while 狂う is a stronger verb implying actual derangement or breakdown.
クレイジー
おかしい is a common native adjective for something funny or off, whereas クレイジー is a trendier loanword often used for dramatic or extreme behavior.
コミカル
おかしい is an everyday word for something funny or strange, while コミカル specifically evokes a cartoonish or performative style of humor.
ユーモラス
おかしい is a plain, everyday word that can mean 'funny' or 'strange', while ユーモラス specifically praises a witty, good-natured sense of humor.
異い常じょうN3
おかしい is a casual, everyday word for 'strange/off', while 異常 is more formal or technical and stronger in degree.
奇き妙みょうN3
おかしい is a common, everyday word that can mean funny or strange depending on context, while 奇妙 specifically points to something odd or unusual.

Don't confuse with

おかしな
可笑しい is the predicative i-adjective (それはおかしい), while おかしな is the pre-noun form used only directly before a noun (おかしな話).

Word family

おかしな
funny; amusing; comical · strange; odd; peculiar · wrong; unsuitable; improper · suspicious; fishy
おかしがる
seem amused; appear to find funny; look mystified
ちゃんちゃらおかしい
ridiculous; absurd; laughable

Written forms

おかしいUsage96%
gikun (meaning-based reading) or jukujikun
Standard modern spelling; the word is usually written in kana.
可笑おかしいUsage4%
gikun (meaning-based reading) or jukujikun
Ateji kanji form; rarely used in modern writing.
オカシイUsage1%
search-only kana form
可お怪かしいUsage<1%
search-only kanji formgikun (meaning-based reading) or jukujikun
Search-only kanji form; not used in normal writing.

Etymology

The modern adjective continues classical をかし, which expressed attraction, interest, amusement, or strikingness. Its senses developed toward “amusing” and “strange”; 可笑しい is a later meaning-based spelling.