まったく・全くmattaku[0]heiban (flat)
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- adverb, no-adjectivereally; truly; entirely; completely; wholly; perfectly
- adverb, no-adjectiveindeed
- interjectiongood grief
- SynonymすっかりNeutralDescribes a complete change into some state (「すっかり忘れた」); mostly used for affirmative changes, whereas 「全く」 often pairs with negatives.
- Synonym完全かんぜんNeutralA na-adjective meaning perfect and lacking nothing (「完全な勝利」); as an adverb it takes the form 「完全に」, while 「全く」 is itself an adverb.
- Synonym一切いっさいNeutralWith a negative it means not at all, without exception (「一切関係ない」); the tone is stiffer and more formal than 「全く」.
- Synonym一向いっこうNeutralUsually as 「一向に~ない」, meaning not in the least (「一向に気にしない」「一向に良くならない」); slightly more written than 「全く」.
- Synonym何もなにもNeutralWith a negative it means not anything, nothing at all (「何も知らない」); it also means there is no need to go that far (「何もそこまで」).
- Synonym何ともなんともNeutralOften with a negative, for something beyond description or not at all (「何とも言えない」); also used as an exclamation meaning truly.
- Synonym皆目かいもくWrittenWritten, formal prose; with a negative it means not at all, as in 「皆目見当がつかない」「皆目分からない」; more bookish than 「全く」.
- SynonymまるっきりCasualColloquial; usually with a negative to mean completely not (「まるっきり違う」); more emphatic than 「まるきり」.
- RelatedまるきりCasualColloquial; usually with a negative to mean completely not (「まるきり分からない」). Close to 「全く」 but more casual.
- RelatedとんとCasualColloquial; usually with a negative, meaning not at all (「とんと見かけない」); carries an old-fashioned flavor.
「全く」 covers both 'completely' and 'not at all', and doubles as an exclamation. For an affirmative complete change use 「すっかり」; for a strong, formal denial 「一切」; for not in the least 「一向に」; in casual speech 「まるっきり」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


