ジョイjoi

1. nounjoy

• Synonym喜びよろこびNeutralThe everyday word for joy or gladness; also covers happy occasions like celebrations. 「ジョイ」 mostly appears in product names and loanword compounds.
• Related悦楽えつらくWrittenWritten-style word for pleasure and enjoyment, often tinged with sensual indulgence; not for everyday speech.
• Related愉楽ゆらくWrittenA written, fairly rare word for pleasure or delight felt in the heart; keep it to formal prose.
• Related愉悦ゆえつWrittenWritten word for heartfelt joy; rare in daily conversation — say 「喜び」 when speaking.
• Related歓かんWrittenA single-kanji word for joy and merriment, mostly in set phrases like 「歓を尽くす」; written style.
• Antonym悲しみかなしみNeutralAntonym: sadness or grief; the counterpart of 「ジョイ」 as joy.
• Antonym苦痛くつうNeutralAntonym: physical or mental pain and suffering; the counterpart of 「ジョイ」 as pleasure.

「ジョイ」 is mostly used in loanword compounds and product names. For everyday joy say 「喜び」; in formal prose, 「悦楽」 covers pleasure with a sensual tinge, 「愉楽」 and 「愉悦」 heartfelt delight, and 「歓」 appears in set phrases. The antonym is 「悲しみ」.

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

1. 歓喜かんき。よろこび。