暖かい

あたたかい

warm

i-adjective

Conjugation Table

Present

暖かい

Negative

暖かくない

Past

暖かかった

Past Negative

暖かくなかった

Te Form

暖かくて

Adverbial

暖かく

Conditional

暖かければ

Presumptive

暖かいでしょう

Example Sentences

今日は暖かいですね。

It's warm today, isn't it?

Kyō wa atatakai desu ne.

昨日の天気は暖かかったです。

The weather was warm yesterday.

Kinō no tenki wa atatakakatta desu.

この部屋は暖かくないです。

This room isn't warm.

Kono heya wa atatakakunai desu.

Grammar Notes & Usage Tips

•Conjugation Basics**: Since 暖かい is an i-adjective, remember to drop the い and add くない to make it negative (暖かくない - not warm) or かった for the past tense (暖かかった - was warm).

•Using with Nouns**: When 暖かい modifies a noun, it goes directly before the noun without any particles, like in 暖かいセーター (あたたかいセーター), meaning "warm sweater."

•Describing Actions or States**: To say something "feels warm," like water or a room, use 暖かくする to express "make warm" or 暖かくなる for "become warm."

•Watch Your Context**: Be mindful of context, as 暖かい is used for warm weather and feelings, while 温かい (also あたたかい) is typically used for warm objects, like food or drinks.

•い-adjective: Conjugates by changing the い ending