1. (v. t.) To make change or modify in some respect; as, to alter a garment.

2. (v. t.) To agitate; to affect mentally.

3. (v. t.) To geld.

4. (v. i.) To become, in some respects, different; to vary; to change; as, the weather alters almost daily; rocks or minerals alter by exposure.

abate accommodate adapt adjust adjust to alter into ameliorate assuage be changed be converted into be renewed become better bottom out box in break break up castrate change change into checker chop chop and change circumscribe come about come around come round come round to condition convert deform degenerate denature deteriorate deviate diminish diverge diversify emasculate eunuchize evolve into fall into fit fix flop geld haul around hedge hedge about improve jibe lapse into leaven limit meliorate melt into mitigate moderate modify modulate mutate narrow open into overthrow palliate pass into qualify re-create realign rebuild reconstruct redesign reduce refit reform regulate by remake remodel renew reshape restrain restrict restructure revamp revise revive ring the changes ripen into run into season set conditions set limits settle into shift shift into shift the scene shuffle the cards soften spay subvert swerve tack take a turn temper transform turn turn aside turn into turn the corner turn the scale turn the tables turn the tide turn to turn upside down undergo a change unsex vary veer warp work a change worsen