今や|いまやimaya[1]atamadaka (head-high)

1. adverbnow (esp. in contrast to the past); now at last; at present; right now
   トムはいまや以前いぜんにもまして勤勉きんべんに働はたらいている。↗

   Tom works more diligently now.

• Synonym今いまNeutralThe most general word for 'now', as noun or adverb (「今行く」); 「今や」 stresses that things have now become so in contrast with the past.
• Synonym現在げんざいNeutralA noun for the present (「現在の状況」); somewhat formal.
• Synonym今ではいまではNeutralSet phrase for 'nowadays' (「今では誰も知らない」); colloquial, and close to 「今や」 in use.
• RelatedすでにNeutralAdverb for 'already' (「既に終わった」); leans toward written/formal prose, with the focus on completion.
• RelatedもうNeutralAdverb for 'already' (「もう遅い」); the most common choice in colloquial speech.
• Related今にいまにNeutralPoints to the near future or 'sooner or later' (「今に分かる」); 「今や」 instead says things have now become so.
• RelatedもはやNeutralAdverb for 'things have come to this point' (「もはや手遅れだ」); often carries a sense of resignation.
• Related今にしていまにしてNeutralSet expression meaning 'only now, at this point' (「今にして思えば」); usually introduces a retrospective remark.
• Antonym昔むかしNeutralMeans 'the old days, the past' (「昔の話」); the direct opposite of 「今や」.
• AntonymかつてNeutralMeans 'once, formerly' (「かつての名選手」); the opposite of 「今や」.

Use 「今や」 to stress that something is now the case in contrast with the past (「今や世界的なスター」); 「今や遅しと待つ」 expresses eager waiting. For plain 'now' use 「今」, or colloquial 「今では」; when things have come to this point, use 「もはや」. The opposite is 「かつて」.

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

1. 今いまこそ。今いまでは。