(music, singing) To move lips in synchronization with sounds (generally recorded) so it appears they are the source of the sounds.

(idiomatic) A swelling on the lip, especially one resulting from a punch or other blow.

(vulgar, slang) the labia

A cosmetic product applied to the lips to make them look shinier.

(literally) Having the lips pressed tightly together, hence, not speaking. / (idiomatic) Unwilling to divulge information.

(idiomatic) Of a person, silence or reticence.

Any form of body piercing involving the lips

A labret.

A substance topically applied to the lips of the mouth to relieve chapped or dry lips, angular cheilitis or stomatitis, and cold sores.

Long kiss / Technique for hooking a fish