新た|あらたarata[1]atamadaka (head-high)

1. na-adjectivenew; fresh; novel
   彼女かのじょは記憶きおくを新あらたにするためにその写真しゃしんを見みた。↗

   She looked at the picture to refresh her memory.

• Synonym新しいあたらしいNeutralThe most common adjective for 'new', working for both concrete things like 「新しい靴」 and abstract ones like 「新しい計画」; 「新た」 is more written and often appears as 「新たに」.
• Synonym新鮮しんせんNeutralFor freshness of food or a refreshing feel, as in 「新鮮な魚」 or 「新鮮な感覚」; 「新た」 does not convey freshness.
• Synonym真新しいまあたらしいNeutralStresses a brand-new look, usable even for something worn but appearing new, as in 「真新しい制服」; mostly modifies concrete items.
• Synonym目新しいめあたらしいNeutralMeans strikingly novel at first sight, as in 「目新しいデザイン」; it highlights the fresh impression, whereas 「新た」 simply says something is new.
• Synonym斬新ざんしんNeutralDescribes ideas or designs radically unlike what came before, as in 「斬新なアイデア」, with a positive ring; 「新た」 carries no such evaluation.
• Synonym新奇しんきWrittenA written word for something novel and rare, as in 「新奇な趣向」; it stresses oddity and can carry a faintly sensational nuance.
• Synonym清新せいしんWrittenA written word for a fresh, bracing quality, mostly of style or manner, as in 「清新な作風」; 「新た」 has no hint of this freshness.
• Synonym新規しんきNeutralCovers newly opened or newly registered things, as in 「新規登録」 and 「新規顧客」, mainly in business procedures; 「新た」 is not limited to such uses.
• SynonymフレッシュNeutralA loanword for freshness or youthful vigor, as in 「フレッシュな新人」, with a light, upbeat tone; it also refers to coffee creamer.
• Synonym新しんCasualRead 「さら」, it means brand-new and unused, mainly colloquial as in 「さらの服」; 「新た」 is the more written choice.
• RelatedモダンNeutralRefers to a modern, stylish look, as in 「モダンな建築」; it is about style, while 「新た」 only says something has newly appeared.
• Related新式しんしきWrittenMeans a new type or model, as in 「新式の機械」, the opposite of 「旧式」; used mostly for machinery and now sounding somewhat dated.
• Related画期的かっきてきNeutralPraises something as groundbreaking or epoch-making, as in 「画期的な発明」; the evaluation is far stronger than 「新た」, which only states newness.
• Related未使用みしようNeutralSimply means not yet used, seen mostly in product descriptions like 「未使用品」; it says nothing about being new in content or quality.
• RelatedさらCasualRead 「さら」, it means brand-new and unused, mainly colloquial as in 「さらの服」; 「新た」 is the more written choice.
• Related耳新しいみみあたらしいWrittenA written word for something that sounds fresh because heard for the first time, as in 「耳新しい話」; it applies only to information or talk.
• Antonym古いふるいNeutralMeans old in time, worn or outdated; in the new-versus-old sense it stands opposite 「新た」.
• Antonym既存きそんWrittenA written word meaning already in place, as in 「既存の制度」; it contrasts with 「新た」 for things newly appearing or newly established.

「新た」 has a written, formal flavor, usually as 「新たな」 or 「新たに」, as in 「新たな発見」. In everyday use the default is 「新しい」, fine for both concrete and abstract things. Choose 「新鮮」 for freshness of food or impressions, 「斬新」 for boldly original ideas or designs, and 「新規」 for new registrations, accounts or customers in business. For brand-new concrete items use 「真新しい」, for a stylish modern look 「モダン」, and for epoch-making innovation 「画期的」; the antonyms are 「古い」 and, in formal prose, 「既存」.

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

1. 今いままでになく新あたらしいさま。
2. 今いままでの行動こうどうなどを踏ふまえて改あらためるさま。古ふるくなったものを新あたらしくするさま。