Meaning of FIRM in English

FIRM

n.

Function: transitive verb

Date: 14th century

1 a : to make secure or fast : TIGHTEN < firm ing 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 up

intransitive verb

1 : to become firm : HARDEN ― often used with up

2 : to recover from a decline : IMPROVE <the market is firm ing >

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.