expression, i-adjective
unimpressive-looking; of poor appearance; undistinguished-looking
Describes a person whose appearance or presence lacks impact, style, or dignity. Often used in negative form to mean someone looks shabby or unremarkable.
彼は風采が上がらないが、話してみるととても面白い人だ。
He doesn't look like much, but once you talk to him, he's a very interesting person.
That actor always plays unimpressive-looking roles.