あんま

not very, not much

ã̠ mː a̠ → あんまり
adverb Rare #34,470
not very, not much Casual shortened form of あんまり; usually used with a negative expression.
JA: あんま好きじゃない。
EN: I don't really like it.

泳げるけど泳ぐのあんま好きじゃないんだ

I can swim, but I’m not really a fan of it.

トムが私に描いていてくれた地図だけどさあんま役に立たなかった

That map Tom drew for me wasn’t much use, though.

あんまお腹空いてないんだ

I'm not really hungry.

あんま好きじゃない

I'm not really a fan.

— 万引き家族 (2018)

それはあんま関係ないと思う

I don't think that's really related.

Sounds similar to