Main Entry: ³firm

Function: verb

Date: 14th century

transitive verb

1 a : to make secure or fast : tighten <firming her grip on the racquet> —often used with up b : to make solid or compact <firm the soil>
2 : to put into final form : settle <firm a contract> <firm up plans>
3 : to give additional support to : strengthen —usually used with upintransitive verb 1 : to become firm : harden —often used with up
2 : to recover from a decline : improve <the market is firming>