Synonyms to look sharp

look out, and listen, attend to business, be alert, be obsessed with, be vigilant, be watchful, beware, concentrate on, fix on, focus on, give heed, have a care, keep alert, keep in sight, keep in view, keep vigil, keep watch, lie low, look, look about one, look lively, mind, miss nothing, never nod, pay attention, pay heed, qui vive, scrutinize, stop, study, take care, take heed, watch, watch out, concentrate, abbreviate, accelerate, aggravate, approach, assemble, attend closely to, beef up, blow up, bring into focus, bring together, center, centralize, circumscribe, close, close in, close up, close with, cluster, coarct, collect, come together, compact, complicate, compress, concenter, concentralize, concentrate the mind, concentrate upon, concentrated, concentration, condense, congest, congregate, consolidate, constant, constrict, constringe, contract, converge, cram, cramp, crowd, curtail, decoct, decoction, decrease, deepen, densen, densify, direct, distill, distillate, distillation, double, draw, draw in, draw together, elix