気難しい・気むずかしい|きむずかしいkimuzukashii[5]nakadaka (mid-high)

Common
Which spelling to use
気難しい気難しい is the most common spelling and has the same meaning as 気むずかしい; it is written with kanji and kana and is the form most likely to appear.
気むずかしい気むずかしい is a less common spelling of the same adjective, also written with kanji and kana; you may encounter it as an alternative written form.
Definitions
  1. i-adjectivehard to please; difficult; particular; fussy; choosy; picky; fastidious
    うちの社長しゃちょうは気難きむずかしい。↗
    Our boss is hard to please.
  2. i-adjectivebad-tempered; in a bad mood; displeased; sullen; crabby; cranky; grumpy
    彼女かのじょは気難きむずかしそうに見みえるが、本当ほんとうは優やさしい。↗
    She looks bad-tempered, but she is kind at heart.
Conjugation
Plain form気難しい(きむずかしい)
Polite (desu)気難しいです(きむずかしいです)
Negative (kunai)気難しくない(きむずかしくない)
polite (ku arimasen)気難しくありません(きむずかしくありません)
Past (katta)気難しかった(きむずかしかった)
Past negative (kunakatta)気難しくなかった(きむずかしくなかった)
Te form (kute)気難しくて(きむずかしくて)
Adverbial (ku)気難しく(きむずかしく)
Conditional (kereba)気難しければ(きむずかしければ)
kattara気難しかったら(きむずかしかったら)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym小難しいこむずかしいNeutralSaid of content that is complicated, hard to follow and tedious; focuses on things, whereas 「気難しい」 is about a person's temper.
  • Related神経質しんけいしつNeutralRefers to being oversensitive and worrying over trifles; stresses nervous sensitivity and does not necessarily mean hard to please.
  • Related小うるさいこうるさいCasualColloquial for being picky over details and hard to satisfy; 「気難しい」 stresses an awkward temper and being hard to get along with.
  • Related口やかましいくちやかましいNeutralFor someone who nags and lectures, stressing constant verbal fault-finding; 「気難しい」 is about the temper as a whole.
  • Antonym気安いきやすいNeutralAntonym: easy to get along with and relaxed in company; the opposite of being hard to please.
  • AntonymのんきNeutralAntonym: carefree and unbothered, not fussing over things; the opposite of being demanding and picky.

Default to 「気難しい」 for a hard-to-please temper. 「小難しい」 is mainly about fiddly content, though it can describe a peevish person; 「口やかましい」 is nagging; 「小うるさい」 picky over details; 「神経質」 oversensitive. Antonyms: 「気安い」 approachable; 「呑気」 carefree.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. うっとうしい。気きが重おもい。
  2. 神経質しんけいしつである。自分じぶんの考かんがえなどにとらわれ、他人たにんとなかなか同調どうちょうしない。
Kanji in this word
English equivalents

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