f 4 i 1 r 1 m 3 e 1 r 1
6 letters · 11 points in Scrabble
Meaning
adjective marked by firm determination or resolution; not shakable
adjective not soft or yielding to pressure
adjective strong and sure
originEtymology tree English firm English -er English firmer From firm + -er.
Etymology from Wiktionary, CC BY-SA 3.0