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いや
iya
no / unpleasant
いや、やめて！
No, stop it!
informal
Expression of refusal or strong dislike; 'no way!'
いや、それは嫌だ。
No way, I hate that.
いや、やめてくれ！
Stop it, please!
Often used to reject an offer or express discomfort. Can sound abrupt if overused.
adjective (na)
Unpleasant; disagreeable
この匂いはいやだ。
This smell is unpleasant.
いやな天気ですね。
What awful weather.
Used to describe things that cause discomfort or aversion.
adjective (na)verb stem (嫌がる)
Reluctant; unwilling
子供は注射をいやがった。
The child was reluctant to get the shot.
嫌がる (iya-garu) means 'to dislike' or 'to show reluctance.'
Related Phrases
Pro Tip
Tone matters
いや can sound rude if used with strangers. In polite contexts, pair it with すみません (sumimasen) or 申し訳ありません (moushiwake arimasen) to soften the refusal.
Gold Rule
Avoid overusing いや as an interjection
Frequent use can make you seem petulant. Reserve it for strong reactions or when you genuinely dislike something.
Word Origin
From classical Japanese 'いむ' (忌む, to avoid) via contraction. The interjection sense emerged as a spontaneous reaction to unpleasantness.
Usage Notes
いや is highly context-dependent. As an interjection, it can sound abrupt or childish if used carelessly. As an adjective, it often pairs with sensory or emotional nouns (e.g., いやな匂い, いやな記憶). In formal writing, avoid overusing it; alternatives like '困ります' (it's troublesome) may be preferred.
Word Breakdown
いや
disagreeable / unpleasant
root和英辞典