単に|たんにtanni[1]atamadaka (head-high)

1. adverbsimply; merely; only; solely
   彼かれは単たんに好奇心こうきしんからそれをしただけだ。↗

   He did it simply out of curiosity.

• Synonym一にいつにWrittenWritten/formal prose. Means something lies entirely in one factor, as in 「一に努力にかかる」; rare.
• SynonymたったCasualColloquial. Means only or just, modifying small quantities, as in 「たった一人」; it works on amounts, while 「単に」 qualifies the statement as a whole.
• SynonymもっぱらNeutralNeutral. Means doing something exclusively or mainly, as in 「専ら読書をする」; the emphasis is on concentrating on one activity.
• SynonymただただNeutralNeutral. Means just or nothing but, absorbed in one thing, as in 「ただただ驚く」「ただただ待つ」; the stress is on single-minded focus, while 「単に」 narrows the scope of a statement.
• SynonymひとえにFormalFormal. A stately way to say something is wholly due to one factor, as in 「偏に皆様のおかげです」; typical in expressions of thanks and apology.
• Related僅々きんきんWrittenWritten/formal prose. Means a mere, only — it stresses how small the quantity is, as in 「僅々数日」.

Use 「単に」 to say something is nothing more than, often with 「…だけ」 or 「…に過ぎない」. For small quantities pick 「たった」; for owing something entirely to one factor, 「偏に」; for doing one thing exclusively, 「専ら」.

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

1. ただ。ひとえに。単純たんじゅんに。