しつこい・執拗いshitsukoi

1. i-adjectiveinsistent; obstinate; persistent; tenacious
   ここにしつこい痛いたみがあります。↗

   I have a persistent pain here.
2. i-adjectivetoo rich (taste, etc.); fatty; heavy; greasy

• RelatedねつこいCasualDialect or dated word for clinging, pestering persistence; a synonym of 「しつこい」 but rare today — say 「しつこい」 in everyday speech.
• RelatedねつっこいCasualDialect word for pestering, clingy persistence; like 「ねつこい」, a variant of 「しつこい」 — standard Japanese says 「しつこい」.
• RelatedひつこいCasualKansai and other dialects for pestering persistence, same meaning as 「しつこい」; standard and written Japanese both use 「しつこい」.
• AntonymあっさりNeutralLight (food, make-up) or flatly, readily; the antonym of 「しつこい」 on both counts — rich, lingering flavors and refusing to let go.
• Antonym淡白たんぱくWrittenWritten-leaning word for light flavors and an unattached, easygoing character; opposite of the rich, greasy, obstinate 「しつこい」.

「しつこい」 is the default for pestering persistence or rich, greasy taste, e.g. 「しつこい勧誘」; 「ねつこい」「ねつっこい」「ひつこい」 are dialect variants. Opposites: 「あっさり」 for light flavors and letting go; 「淡白」 (written) for light taste or an unattached nature.

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

1. におい・味あじなどが濃こすぎて後あとに残のこるさま。
2. どこまでもつきまとったり、しきりに質問しつもんをしたりして迷惑めいわくなさま。
3. ある物事ものごとに執着しゅうちゃくするさま。