キスkisu

1. noun, suru verb, intransitive verbkiss
   彼女かのじょにばっちりキスされちゃったよ。↗

   She kissed me full on the lips.

• Synonym接吻せっぷんWrittenWritten/formal prose term for kissing, typical of formal writing or old-fashioned usage; 「キス」 is the more everyday choice.
• Synonym口づけくちづけWrittenA native Japanese word with a literary, romantic flavor, seen mostly in novels and lyrics; 「キス」 is the everyday, most common term.
• Synonym口吸いくちすいWrittenAn archaic word for a mouth-to-mouth kiss, almost never used today; say 「キス」 in everyday speech.
• SynonymベーゼWrittenBorrowed from French; rarely used now and carries an old-fashioned or playful ring; 「キス」 is the everyday word.
• RelatedちゅうCasualColloquial, originally baby talk; sounds cute and affectionate, as in 「ちゅうして」. 「キス」 is more neutral.

Use 「キス」 as the default, everyday word for a kiss. For a literary or romantic tone pick 「口づけ」; in formal or old-style writing use 「接吻」. 「口吸い」 is archaic and 「ベーゼ」 rare, so avoid them; with children or affectionately, say 「ちゅう」.

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

1. 愛情あいじょう表現ひょうげんとして、相手あいての唇くちびる・頬ほお・手てなどに自分じぶんの唇くちびるをつけること。くちづけ。接吻せっぷん。
2. ビリヤードで、動うごいている玉たまと玉たまとが接触せっしょくすること。