さっぱりsappari

1. adverb (with と), suru verbfeeling refreshed; feeling relieved
   ほんの一寝入ひとねいりしたら、さっぱりした。↗

   Just a spot of shut-eye has already refreshed my mind.
2. adverb (with と), suru verbneat; tidy; clean
   彼女かのじょはさっぱりした服装ふくそうをしている。↗

   She is neatly dressed.
3. adverb (with と), suru verb, na-adjectivefrank; open-hearted; plain; simple; light
   あなたのおばあさんは気性きしょうのさっぱりしたいい方かたですね。↗

   Your grandmother is a charming lady.
4. adverb (with と)completely; entirely
5. adverbnot in the least (with neg. verb); not at all
   あなたをさっぱり理解りかいできない。↗

   I can never make you out.
6. na-adjectivenothing at all; completely useless; hopeless; awful
   私はこの手てのことにはさっぱりだ。↗

   I'm a total stranger to things of this kind.

• SynonymすっかりNeutralCompletely, thoroughly; mostly for changes of state, as in 「すっかり忘れた」. It works in affirmative sentences, while さっぱり with a negation means 'not at all'.
• Synonym一向いっこうNeutralWith a negation it means not at all, usually in the form 「一向に」, as in 「一向に構わない」; さっぱり is the more colloquial choice.
• Synonym何もなにもNeutralWith a negation it means nothing at all, as in 「何も知らない」; さっぱり centers on not understanding anything or making no progress.
• Synonym皆目かいもくWrittenWritten style; with a negation it means completely not, as in 「皆目見当がつかない」. In speech, 「さっぱり」 or 「全然」 is the usual choice.
• SynonymまるっきりCasualColloquial; with a negation it means completely not, as in 「丸っきり違う」. さっぱり with a negation is mostly about understanding or how business goes.
• Synonym少しもすこしもNeutralWith a negation it means not even a little, as in 「少しも痛くない」, stressing that the degree is zero; さっぱり centers on not understanding or being no good.
• Synonym全然ぜんぜんCasualWith a negation it means completely not and is extremely common in speech, as in 「全然分からない」; さっぱり is mostly for understanding or results.
• Synonym一向にいっこうにNeutralWith a negation it means not in the least, often for a situation that shows no change, as in 「一向に改善しない」; さっぱり is more colloquial.
• SynonymきれいさっぱりNeutralStresses wiping something out completely with nothing left, as in 「綺麗さっぱり忘れる」; stronger than さっぱり, and can also mean spotlessly clean.
• Related一切いっさいNeutralWith a negation it means flatly none, as in 「一切関係ない」; it leans formal and can also be a noun meaning everything, while さっぱり is more colloquial.
• RelatedまったくNeutralCompletely not with a negation; also an interjection like 'good grief'. さっぱり with a negation is mostly for not understanding or not working, and also means refreshed.
• Related完全かんぜんNeutralA na-adjective and noun for something perfect and complete with nothing missing, as in 「完全な形」; さっぱり is an adverb meaning 'not at all' or refreshed.
• RelatedあっさりNeutralMeans light in flavor and brisk or easily in how one acts or refuses, as in 「あっさりした味」; さっぱり centers on feeling refreshed and relieved.
• RelatedからっきしCasualColloquial; with a negation it means utterly no good, as in 「からっきし駄目だ」. Its feel is more casual than さっぱり.
• RelatedまるきりCasualColloquial; with a negation it means completely not, as in 「丸きり分からない」. さっぱり with a negation is mostly about understanding or progress.
• RelatedてんでCasualColloquial; with a negation it means not at all, as in 「てんで話にならない」. Its feel is more casual than さっぱり.
• Related完膚なきまでかんぷなきまでWrittenWritten phrase for doing something thoroughly and unsparingly, usually defeating or refuting, as in 「完膚なきまでに論破する」; さっぱり centers on 'not at all'.
• Related徹頭徹尾てっとうてつびWrittenFour-character idiom for staying consistent from start to finish, as in 「徹頭徹尾反対する」; written. さっぱり in the 'completely' sense usually takes a negation ('not at all').
• Related毫もごうもWrittenWritten style; with a negation it means not in the least, as in 「毫も疑わない」. In everyday speech you would say 「少しも」 or さっぱり.
• AntonymしつこいNeutralThe opposite of さっぱり for taste and personality: heavy, lingering flavor or a pushy, clingy manner, as in 「しつこい味」.
• AntonymあぶらっこいNeutralThe opposite of さっぱり in taste: greasy, oily food. It can also describe an attitude or personality as clingy and unrefreshing.

Use 「さっぱり」 for feeling refreshed or for a clean, decisive manner; with a negation it also means completely unable to understand or getting nowhere. For a complete change of state use 「すっかり」, for light flavors 「あっさり」, and in casual speech 「全然」 is the everyday 'not at all'.

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

1. 清潔感せいけつかんがあるさま。さわやかなさま。
2. （瀟洒しょうしゃ・淡泊たんぱく）性格せいかくなどがあっさりしているさま。
3. 残のこらずなくなったさま。
4. まったくだめなさま。まるでうまくいかないさま。