present participle of look / as the last part of compound adjectives: relating to or having the appearance of.

The act of one who looks; a glance.

plural of look

One's appearance or attractiveness.

Third-person singular simple present indicative form of look

(informal, derogatory) a member of the loony left

(informal, of a person) Insane. / (informal, of a thing) Very silly, absurd.

(informal) An insane or very foolish person.

A spectator, onlooker.

(Wales) see here