厚い
あつい
kind, warm(hearted), thick, deep
i-adjective
Conjugation Table
Present
厚い
Negative
厚くない
Past
厚かった
Past Negative
厚くなかった
Te Form
厚くて
Adverbial
厚く
Conditional
厚ければ
Presumptive
厚いでしょう
Example Sentences
この本は厚いです。
This book is thick.
Kono hon wa atsui desu.
そのノートは厚くなかった。
That notebook was not thick.
Sono nooto wa atsuku nakatta.
彼はとても厚くて、みんなに優しいです。
He is very kind and is nice to everyone.
Kare wa totemo atsukute, minna ni yasashii desu.
Grammar Notes & Usage Tips
•Versatile Meanings**: Remember that 厚い (あつい) can describe not just physical thickness, like a book or a slice of bread, but also abstract concepts like kindness or warmth in relationships. Context will usually guide you to the right interpretation!
•Particle Pairing**: When using 厚い to describe something, pair it with the particle が (ga) for subject marking, like in 本が厚い (ほんがあつい) to say "the book is thick."
•Conjugation Tip**: Like all i-adjectives, 厚い changes to 厚くない (あつくない) to express the negative "not thick," and to 厚かった (あつかった) for the past tense "was thick." Keep these endings in mind to communicate time and negation!
•Avoid Overlap with 熱い**: Don't confuse 厚い (thick) with 熱い (あつい), which means "hot" to the touch. While they share the same pronunciation, their kanji and meanings are different, so context is key!
•い-adjective: Conjugates by changing the い ending