also: ぽい
suffix, i-adjective
Attaches to nouns, adjectives, and verb stems to express that something has the quality or tendency of the base word. Often carries a slightly negative or informal nuance.
彼は子供っぽいところがある。
He has a childish side.
このジュース、水っぽくて美味しくない。
This juice is watery and doesn't taste good.
忘れっぽいので、メモを取るようにしている。
I'm forgetful, so I try to take notes.