楽しい・愉しい|たのしいtanoshii[3]nakadaka (mid-high)

1. i-adjectiveenjoyable; fun; pleasant; happy; delightful
   あなたと一緒いっしょにいて楽たのしかった。↗

   I really enjoyed your company.

• Synonym面白いおもしろいNeutralFocuses on the object being interesting, engaging, or funny; 「楽しい」 is about your own enjoyment of being in the situation.
• Synonym楽しげたのしげNeutralHow someone looks or sounds happy from the outside, as in 「楽しげな声」「楽しげに笑う」; 「楽しい」 states the feeling directly.
• Synonym愉快ゆかいNeutralA cheerful, pleasant mood, as in 「愉快な仲間」; slightly more written than 「楽しい」.
• Synonym嬉しいうれしいNeutralGladness at something good happening; a momentary joy, while 「楽しい」 is about enjoying the process itself.
• SynonymハッピーCasualColloquial loanword for happy with a light feel; leans more toward happiness and contentment than 「楽しい」.
• SynonymおもろいCasualColloquial Kansai dialect for 「面白い」: the thing is fun or amusing; it judges the object, unlike 「楽しい」.
• Related心地よいここちよいNeutralA comfortable, pleasant feeling of body or mind, as in 「心地よい風」; about sensory comfort rather than fun.
• Related喜ばしいよろこばしいWrittenWritten word for something welcome and gratifying, as in 「喜ばしい知らせ」; used mainly of news and events.
• Related快いこころよいWrittenA pleasant, refreshed feeling; also means readily or gladly, as in 「快く引き受ける」; leans toward written style.
• Related痛快つうかいNeutralExhilarating, cathartic pleasure, especially when something unpleasant is resolved, as in 「痛快な逆転劇」.
• Related小気味良いこきみよいNeutralCrisp, brisk actions or sounds that feel satisfying; about the pleasing sharpness, not about enjoying yourself.
• Related素敵すてきNeutralLovely and charming, as in 「素敵な時間」; praises how attractive or delightful something is, not how much fun.
• Related快適かいてきNeutralComfortable surroundings or conditions, as in 「快適な部屋」; about ease and convenience, not fun.
• Related気持ちいいきもちいいCasualColloquial for a pleasant bodily sensation or refreshed mood, as in 「風が気持ちいい」; about how it feels, not fun.
• Related満足まんぞくNeutralContentment at getting what you wanted, as in 「結果に満足する」; about being satisfied rather than having fun.
• Related幸せしあわせNeutralHappiness — a deeper, more lasting state; 「楽しい」 is usually fun of the moment.
• RelatedうららかWrittenWritten word for bright, mild weather or a clear, sunny mood, as in 「麗らかな春の日」; mostly weather, not fun activities.
• Antonym悲しいかなしいNeutralSad and sorrowful; the opposite of 「楽しい」 in whether the mood is good or bad.
• AntonymつまらないNeutralDull and boring; the opposite of 「楽しい」 in whether there is any fun to be had.
• Antonym苦しいくるしいNeutralPainful, hard, and distressing; the opposite of 「楽しい」 in how body and mind feel.

For fun and good times, 「楽しい」 is the default. Pick 「面白い」 when the thing itself is interesting, 「嬉しい」 when something good makes you glad, 「幸せ」 for happiness, 「快適」 for a comfortable environment, and 「気持ちいい」 for a pleasant sensation. 「楽しげ」 describes looking happy, 「愉快」 is a touch more written, and 「ハッピー」 is a colloquial loanword for feeling happy.

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

1. 不安ふあんがなく心こころが晴れ晴はればれしている状態じょうたい。うきうきしている様子ようす。