異常|いじょうijou[0]heiban (flat)

1. na-adjective, nounabnormal; unusual; extraordinary; remarkable; uncommon
   そんなにたくさん食たべるのは異常いじょうだ。↗

   It is abnormal to eat so much.

• Synonym並み外れなみはずれNeutralFar above the average level, mostly positive, as in 「並み外れた体力」; 「異常」 is about deviating from the norm and often carries a negative shade.
• Synonym非凡ひぼんWrittenWritten/formal; outstanding talent, out of the ordinary, as in 「非凡な才能」; purely positive.
• Synonym異例いれいWrittenWritten/formal; unlike the usual case or precedent, as in 「異例の昇進」「異例の大雪」; 「異常」 focuses on a state deviating from normal, something wrong.
• Synonym異様いようNeutralStrange-looking and unsettling, as in 「異様な雰囲気」; stresses the oddity of appearance or atmosphere.
• Synonym例外的れいがいてきWrittenWritten/formal; an exception to the rule, uncommon, as in 「例外的な措置」; stresses a rule-based exception.
• Synonym奇異きいWrittenWritten/formal; odd, out of the ordinary, as in 「奇異に感じる」; stresses the surprise it provokes.
• Synonym特異とくいWrittenWritten/formal; distinctive, unlike others, as in 「特異体質」「特異な才能」.
• Synonym破格はかくWrittenWritten/formal; breaking with convention, as in 「破格の待遇」「破格の値段」; usually a pleasant surprise.
• Synonym奇妙きみょうNeutralStrange and puzzling, as in 「奇妙な出来事」; stresses leaving people baffled.
• Synonym桁外れけたはずれCasualColloquial; for amounts or scale astonishingly large, as in 「桁外れの金持ち」; stresses sheer degree.
• Synonym人並みはずれたひとなみはずれたNeutralUsed only before nouns; human ability or traits beyond the ordinary, as in 「人並みはずれた記憶力」.
• Synonym超凡ちょうぼんWrittenWritten/formal and rare in Japanese; beyond the ordinary — 「非凡」 is the usual word.
• SynonymイレギュラーNeutralLoanword; irregular, off the usual pattern, as in 「イレギュラーな事態」; also an odd ball bounce in sports.
• Related特別とくべつNeutralDifferent from the ordinary or given special treatment, as in 「特別な日」; neutral in tone, with no sense of strangeness.
• Related格別かくべつWrittenWritten/formal; exceptionally good or special, as in 「格別の味」「格別の事情」, usually favorable; 「異常」 covers both exceeding the norm and abnormal states.
• Related異色いしょくWrittenWritten/formal; distinctively original, one of a kind, as in 「異色の経歴」; neutral leaning positive.
• Related目覚ましいめざましいWrittenWritten/formal; striking progress or results, as in 「目覚ましい発展」; positive (an old unpleasant sense is now rare); 「異常」 is about deviating from the norm.
• Related抜群ばつぐんNeutralStanding out from the crowd, as in 「抜群の成績」; positive, while 「異常」 implies nothing about excellence.
• Related出色しゅっしょくWrittenWritten/formal; exceptionally fine, as in 「出色の出来」; positive.
• Related著しいいちじるしいWrittenWritten/formal; marked change or difference, as in 「著しい成長」; 「異常」 is about departing from the normal.
• Related特殊とくしゅNeutralUnusual in nature, unlike the general run, as in 「特殊な技術」; neutral, with no sense of abnormality.
• Antonym正常せいじょうNeutralAntonym: a normal, fault-free state, directly opposed to 「異常」, as in 「正常値」.
• Antonym普通ふつうNeutralAntonym: ordinary, run-of-the-mill — the opposite of the out-of-the-ordinary 「異常」.

「異常」 is for states that deviate from the norm or degrees beyond the usual, often with a negative shade. For positive unusualness pick 「非凡」 or 「抜群」; for a break with past practice or precedent, 「異例」; for a strange look or atmosphere, 「異様」 or 「奇妙」; for special treatment, 「特別」. 「並み外れ」 and 「桁外れ」 stress sheer degree; 「特殊」 and 「特異」 simply mean unlike the rest, with no sense of abnormality.

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

1. 奇妙きみょうなこと。通常つうじょうとは異ことなること。
2. 通常つうじょうとは異ことなる困難こんなんな状態じょうたい。
3. 故障こしょうや不具合ふぐあい。
4. 疾患しっかんや障害しょうがい。