変|へんhen[1]atamadaka (head-high)

1. na-adjectivestrange; odd; peculiar; weird; curious; eccentric; funny; suspicious; fishy
   そのオレンジは後味あとあじが変へんだった。↗

   The orange left a strange taste in my mouth.
2. na-adjectiveunexpected
3. nounchange
4. nounincident; disturbance; disaster; accident; emergency
5. noun (prefix), musicflat

• Synonym風変わりふうがわりNeutralFor people or styles that stand out as a bit unusual, as in 「風変わりな人」. Mild in tone, stressing an unusual character or style rather than strangeness.
• Synonym奇怪きかいWrittenWritten word for something bizarre and grotesque that defies understanding, as in 「奇怪な事件」. Carries a mysterious or suspicious tinge.
• Synonym妙みょうNeutralA vague, hard-to-pin-down strangeness, as in 「妙な気分」; can also mean ingenious or skillful. 「変」 is more direct and blunt.
• SynonymおかしいNeutralFunny or amusing, or simply not right, as in 「様子がおかしい」. Very common in speech; covers both laughter and something being off.
• Synonym奇妙きみょうNeutralFor the uncanny and inexplicable, as in 「奇妙な体験」. Fairly neutral, with less of the negative tinge 「変」 can carry.
• Synonym異様いようWrittenWritten word for something so unlike the norm it unsettles you, as in 「異様な雰囲気」.
• Synonym怪しいあやしいNeutralSuspicious or untrustworthy, as in 「怪しい男」. The emphasis is on doubt, not just oddness.
• Synonym珍妙ちんみょうWrittenWritten word for something odd in a laughable way, as in 「珍妙な格好」; carries a comical tinge.
• Synonym不思議ふしぎNeutralFor the inexplicable and mysterious, as in 「不思議な話」. Fairly neutral; about wonder rather than strangeness.
• Synonym奇異きいWrittenWritten word for the strange and odd, as in 「奇異な目で見る」. In daily conversation 「変」 is the natural choice.
• Synonym怪奇かいきWrittenWritten word for the eerie and mysterious, as in 「怪奇現象」; tinged with horror.
• SynonymおかしなCasualPre-noun form of 「おかしい」 used only before nouns, as in 「おかしな話」; it cannot end a sentence.
• Synonym変わったかわったNeutralSimply unusual or distinctive, as in 「変わった人」. Mild, even friendly in tone.
• SynonymへんてこCasualColloquial for something quirky and comical, often with an affectionate or teasing tone, as in 「へんてこな帽子」. Lighter and more playful than 「変」.
• Synonym奇態きたいWrittenWritten style for something odd and rare, with an old-fashioned ring; little used today. In everyday speech say 「変」 or 「奇妙」.
• SynonymへんてこりんCasualColloquial and teasing, for something utterly quirky; a more exaggerated, jocular step up from 「へんてこ」.
• Synonym奇矯ききょうWrittenWritten word for speech or behavior that flouts convention, as in 「奇矯な振る舞い」. Applies only to people's words and deeds.
• Synonym奇々怪々ききかいかいWrittenA four-character idiom for things bizarre to the extreme, with hyperbolic flavor; mostly describes incidents and events.
• Synonym妙ちくりんみょうちくりんCasualSlangy and teasing, for something outlandishly odd, as in 「妙ちくりんな服」.
• Synonym妙ちきりんみょうちきりんCasualSlangy and teasing for something quirky; close in feel to 「妙ちくりん」.
• SynonymへんちくりんCasualSlangy and teasing for something utterly quirky; more jocular than 「変」.
• Synonym怪異かいいWrittenWritten word for monstrous or ghostly beings and strange happenings, as in 「怪異現象」; tinged with the supernatural.
• Related不気味ぶきみNeutralCreepy and eerie in a way that makes your skin crawl; the fear element is what 「変」 lacks.
• Related不可思議ふかしぎWrittenMore written than 「不思議」: mysterious and beyond fathoming. 「変」 has no sense of mystery.
• Related奇抜きばつNeutralStrikingly unconventional, as in 「奇抜なアイデア」 or 「奇抜な服装」; can read as bold or as bizarre depending on context.

「変」 is the default for strange. For the distinctively unusual use 「変わった」 or 「風変わり」; for something off, 「おかしい」; suspicious, 「怪しい」; inexplicable, 「不思議」; bizarre, 「奇怪」; creepy, 「不気味」; unconventional, 「奇抜」. 「妙」 covers a vague oddness. Colloquial and playful: 「変てこ」, 「変てこりん」, 「変ちくりん」, 「妙ちくりん」, 「妙ちきりん」. Written style: 「奇態」, 「奇怪」, 「奇矯」, 「異様」, 「珍妙」, 「奇異」, 「怪奇」, 「怪異」, 「不可思議」, 「奇々怪々」.

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

1. （ヘン）事件じけん。
2. かわった、奇妙きみょうな。
3. おかしい、不審ふしんな。
4. （「変へんに」の形かたちで）無理むりをして行おこなうもののうまくいかないさま。
5. （ヘン）半音はんおん下さがった。フラットの。