Explanation
A suffix meaning “looking or seeming like ~” (often appears with nouns/adjectives).
Formation
[Noun/Adjective stem] + びた (forms a 連体形 modifier, e.g., 大人びた人 “an adult-like person”)
Detailed explanation
The suffix ～びた attaches to certain words to mean “to have the look/feel of ~.” Common examples include 大人びた (adult-like), 古びた (old/worn), 田舎びた (countrified). It expresses that someone or something appears or has become like that noun/adjective.
Examples
Otonabita kangaekata o suru kodomo
A child who thinks in a very grown-up way
Furubita kaban o suterarenai.
I can't throw away that old, worn-looking bag.
Inakabita fun'iki ga kono machi no miryoku da.
The countrified atmosphere is this town’s charm.
Kanojo wa sukoshi otonabita fukusou o shite iru.
She’s dressed in a slightly grown-up style.
Practice
Grammar content sourced from hanabira.org.