light up a room

English

Verb

light up a room (third-person singular simple present lights up a room, present participle lighting up a room, simple past and past participle lit up a room)

1. (informal, idiomatic) To possess great energy and appeal; to cause a social gathering to become animated and cheerful.

   her eyes could light up a room

Usage notes

• This expression has become somewhat hackneyed and cliched.

See also

• light up like a Christmas tree