- constant
- durable
- firm
- reliable
- solid
- steadfast
- strong
Synonyms for firmus
- constans – constant, firm, steady, unchanging, unwavering
- destinatus – determined, firm, resolute, with one's mind made up
- durus – enduring, hard, harsh, rough, rude, strong, tough, uncouth
- fortis – brave, chance, courageous, fortune, luck, powerful, robust, steadfast, strong, valiant
- inconcussus – firm, stable, unshaken
- infragilis – strong, unbreakable
- jugis – ceaseless, constant, continual, perennial, perpetual
- obstinatus – firm, resolute, resolved, staunch
- pertinax – firm, mean, obstinate, persistent, stubborn
- pollens – mighty, strong
- potens – able, mighty, powerful, strong
- stabilis – firm, stable, steadfast
- validus – able, exceeding, mighty, powerful, robust, strong, vigorous
Similar to firmus
- infirmus – feeble, ill, not strong, sick, weak
- firmitudo – durability
- firmiter – enduringly
- firmamentum – prop, strengthening, support, the main point
- firmo – affirm, encourage, maintain, make firm, secure, strengthen, to assert, to make lasting
- mus – mouse
- almus – bountiful, generous, kind, nourishing