輝かしい・耀かしい・赫かしい|かがやかしいkagayakashii[5]nakadaka (mid-high)

1. i-adjectivebrilliant; glorious; glittering; bright; splendid (e.g. achievement, success); promising (e.g. future)
   その軍団ぐんだんは戦闘中せんとうちゅう多おおくの輝かがやかしい作戦さくせんに従事じゅうじした。↗

   The army was involved in a number of brilliant actions during the battle.

• Synonym華々しいはなばなしいNeutralAlso used of success and achievements, as in 「華々しい活躍」; stresses being eye-catching and spectacular, while 「輝かしい」 stresses brilliance and glory.
• Synonym華やかはなやかNeutralEmphasizes vivid colour and lively, eye-catching charm, mostly of scenes and clothing; 「華やかな活躍」 is possible too, but 「輝かしい」 stresses glory.
• SynonymきらびやかNeutralSuggests glittering, dazzling gorgeousness, mostly of clothing and adornment, as in 「煌びやかな衣装」; 「輝かしい」 is mostly for achievements and the future.
• Synonym立派りっぱNeutralA very widely used word for fine, respectable, praiseworthy things, as in 「立派な人」; 「輝かしい」 puts stronger emphasis on glory.
• Synonym眩しいまぶしいNeutralLiterally of light too bright to look at; by extension dazzlingly attractive, as in 「眩しい笑顔」; 「輝かしい」 is mostly for achievements and the future.
• Related華麗かれいNeutralCentres on gorgeous elegance, often of technique or decoration, as in 「華麗な技」; 「輝かしい」 speaks of the glory of achievements and the future.
• Related素晴らしいすばらしいNeutralA general word for wonderful or excellent, with the widest use and common in speech; 「輝かしい」 is more at home in writing and carries a nuance of glory.
• Related見事みごとNeutralPraises skill or results that impress, as in 「見事な勝利」, and also works as an adverb; 「輝かしい」 stresses glory and brightness.
• Related美しいうつくしいNeutralDescribes beauty of appearance, heart or scenery; 「輝かしい」 is about the glory of achievements and the future, so their focus differs.
• Related荘厳そうごんWrittenWritten/formal prose. Solemn and majestic, inspiring awe, mostly of buildings, ceremonies and music; 「輝かしい」 instead speaks of the glory of achievements and prospects.
• Related壮麗そうれいWrittenWritten/formal prose. Magnificent on a grand scale, mostly of buildings and landscapes; 「輝かしい」 is about glorious achievements and prospects, not scale.
• Related神々しいこうごうしいWrittenWritten/formal prose. Describes something divine and solemn that inspires awe, often statues of gods or sunrises; 「輝かしい」 is for glorious achievements or prospects.
• Related麗しいうるわしいWrittenWritten/formal prose. A literary word for beauty or heartwarming loveliness, as in 「麗しい友情」; 「輝かしい」 stresses glory and brilliance.
• Related美麗びれいWrittenWritten/formal prose for beauty and gorgeousness, mostly of looks and pictures; it does not express glory — for achievements or prospects use 「輝かしい」.
• Related豪壮ごうそうWrittenWritten/formal prose. Grand and heroic in spirit, for mansions, mountain scenery or forceful writing; 「輝かしい」 is for glorious achievements and the future.
• Antonym暗いくらいNeutralThe antonym: dark, and by extension gloomy or bleak, as in 「暗い未来」, the direct opposite of 「輝かしい未来」.
• Antonym陰気なNeutralThe antonym: describes a gloomy atmosphere or personality; it is the dark counterpart to the bright, radiant 「輝かしい」.
• AntonymくすんだNeutralThe antonym: of colours gone dull and muted rather than vivid, or of someone unremarkable; the opposite of the dazzling 「輝かしい」.

Use 「輝かしい」 for the glory and brilliance of achievements, history or one's prospects. For equally spectacular, eye-catching success you can also say 「華々しい」; for outstanding quality in general, 「素晴らしい」 or 「見事」. The opposite is 「暗い」.

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

1. 強つよく耀かがやいているかのようにすばらしい様子ようす。