つまらない

boring, dull; insignificant

i-adjective

Conjugation Table

Present

つまらない

Negative

つまらなくない

Past

つまらなかった

Past Negative

つまらなくなかった

Te Form

つまらなくて

Adverbial

つまらなく

Conditional

つまらなければ

Presumptive

つまらないでしょう

Example Sentences

今日はつまらないです。

Today is boring.

Kyou wa tsumaranai desu.

昨日のテレビ番組はつまらなかったです。

Yesterday's TV show was boring.

Kinou no terebi bangumi wa tsumaranakatta desu.

この本はつまらなくて、読まない。

This book is boring, so I won't read it.

Kono hon wa tsumaranakute, yomanai.

Grammar Notes & Usage Tips

•Conjugation Tip**: As an i-adjective, つまらない follows the regular i-adjective conjugation pattern, so to say something "is not boring," simply replace the final い with くない, making it つまらなくない.

•Particle Placement**: When using つまらない to describe a noun, place it directly before the noun, like in つまらない映画 (a boring movie). Remember, adjectives in Japanese typically come before the noun they modify.

•Common Mistake**: Don’t confuse つまらない with つまる, which means "to be blocked" or "to be packed." They sound similar, but mixing them up can lead to misunderstandings!

•Cultural Context**: While つまらない can mean "boring," in some contexts it can also imply that something is insignificant or trivial, like when dismissing something as つまらないこと (an insignificant matter).

•い-adjective: Conjugates by changing the い ending