理想的|りそうてきrisouteki

Common
Definitions
  1. na-adjectiveideal
    彼かれは理想的りそうてきな夫おっとであることが分わかった。↗
    He proved to be an ideal husband.
Conjugation
Plain form理想的(りそうてき)
Polite (desu)理想的です(りそうてきです)
Negative (dewa nai)理想的ではない(りそうてきではない)
polite (dewa arimasen)理想的ではありません(りそうてきではありません)
Past (datta)理想的だった(りそうてきだった)
Past negative (dewa nakatta)理想的ではなかった(りそうてきではなかった)
Te form (de)理想的で(りそうてきで)
Adverbial (ni)理想的に(りそうてきに)
Conditional (nara)理想的なら(りそうてきなら)

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

Synonyms & antonyms
  • Related完璧かんぺきNeutralFlawless, with not a single defect; 「理想的」 instead stresses matching the ideal standard in one's mind.
  • Related上々じょうじょうNeutralColloquial for an excellent state of things, as in 「出来は上々だ」; stresses a good outcome rather than an ideal standard.
  • Related万全ばんぜんNeutralFlawless preparedness, nothing left to chance; typically 「万全を期す」 or 「万全の態勢」. Stresses thorough preparation.
  • Related文句なしもんくなしNeutralColloquial: beyond criticism, leaving nothing to complain about; stresses that no one can find fault.
  • Related完全かんぜんNeutralComplete, with nothing missing; also adverbial as 「完全に」. About wholeness rather than an ideal standard.
  • RelatedパーフェクトNeutralLoanword for perfect; can also mean a perfect score. Colloquial.
  • Related見事みごとNeutralSplendid, admirable; stresses an outcome that draws praise, not an ideal standard.
  • Related満足まんぞくNeutralSatisfaction, contentment; stresses the feeling of being fulfilled, while 「理想的」 stresses matching an ideal standard.
  • Related良いよいNeutralThe most basic adjective for 'good'; 「理想的」 implies good to the point of matching an ideal.
  • RelatedふさわしいNeutralBefitting one's status or the occasion, as in 「彼にふさわしい」; stresses being a good match.
  • Related適切てきせつNeutralApt, appropriate, as in 「適切な処置」; meets the requirements but need not be perfect.
  • Related適当てきとうNeutralSuitable, proper, but in colloquial use often means perfunctory or sloppy.
  • Related妥当だとうNeutralReasonable, defensible, as in 「妥当な判断」; stresses that it holds up as justified.
  • Related似つかわしいにつかわしいWrittenWritten: becoming, well matched to one's appearance or status; stresses the fit.
  • Related十全じゅうぜんWrittenWritten style: perfect in every respect; commonly in 「十全の備え」.
  • Related完全無欠かんぜんむけつWrittenWritten idiom for absolute flawlessness; a stronger, more absolute claim than 「理想的」.
  • Related無欠むけつWrittenWritten: without defect; usually in the set phrase 「完全無欠」, rarely used alone.
  • RelatedこよないWrittenLiterary and elegant: matchless, second to none; cf. 「こよなく愛する」.
  • RelatedあらまほしいWrittenArchaic, literary: an ideal state one longs for; rare in modern Japanese.
  • Related好適こうてきWrittenWritten/formal: highly suitable, as in 「好適な環境」.
  • Antonym現実的げんじつてきNeutralAntonym in standpoint: 「理想的」 looks at the best one can envision, 「現実的」 at real conditions and feasibility; both can describe the same plan.

Default: 「理想的」 for something matching an ideal standard, as in 「理想的な環境」. For flawlessness use 「完璧」; for aptness 「適切」; for befitting a person or occasion 「ふさわしい」; for a pragmatic take 「現実的」. Colloquial praise of results or scores: 「上々」「文句なし」「パーフェクト」. 「万全」 and 「完全」 stress that nothing is missing, 「万全」 above all in preparation; 「見事」 admires the outcome; 「満足」 is feeling satisfied; 「良い」 is plain 'good'. Formal prose favors 「十全」「完全無欠」「無欠」「こよない」「有らまほしい」「似つかわしい」「好適」, with 「完全無欠」 the most absolute.

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

Japanese definitions
  1. 理想りそうに合あっている様子ようす。
Kanji in this word
English equivalents
See also

Say it right, write it right

Core lookup works fully offline, with cloud pronunciation and one-tap save & review. Free, no sign-up.

Free downloadWindowsFree downloadmacOSDownload on the App StoreGet it on Google Play
MobileiOS / Android

Android

QR code for the Google Play pageGet it on Google Play

Scan it with your Android phone to install, or search for “Tomoshi” on Google Play.

iOS

QR code for the App Store pageDownload on the App Store

Scan it with your iPhone camera to install, or search for “Tomoshi” in the App Store.

Install the browser extensionLook words up on any web page · Chrome / Edge / Safari

Screenshot of a Tomoshi lookup resultScreenshot of Tomoshi lookup results on a phone

Windows macOS Chrome / Edge / Safari extension iOS / Android