毎日|まいにちmainichi[1]atamadaka (head-high)

1. noun, adverbevery day; daily
   その犬いぬに毎日まいにち食べ物たべものをやって下ください。↗

   Please feed the dog every day.

• Synonym日ごとにひごとにNeutralNeutral. Emphasizes change or progress from one day to the next, as in 「日ごとに寒くなる」; 「毎日」 simply states that something happens every day.
• Related日ごと夜ごとひごとよごとWrittenWritten/formal prose. Describes something continuing day and night without a break, with a literary, exaggerated feel; in everyday speech say 「毎日」.

Use 「毎日」 as the default word for every day. Choose 「日ごとに」 to stress day-by-day change, and 「日ごと夜ごと」 for a literary, exaggerated sense of day and night without pause.

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

1. （まいにち）連続れんぞくした各々おのおのの日ひ。
2. 連続れんぞくした各々おのおのの日ひにわたって行おこなうさま。