Firm a. [Compar. Firmer superl. Firmest.]
 1. Fixed; hence, closely compressed; compact; substantial; hard; solid; -- applied to the matter of bodies; as, firm flesh; firm muscles, firm wood.
 2. Not easily excited or disturbed; unchanging in purpose; fixed; steady; constant; stable; unshaken; not easily changed in feelings or will; strong; as, a firm believer; a firm friend; a firm adherent.
 Under spread ensigns, moving nigh, in slow
 But firm battalion.   --Milton.
    By one man's firm obediency fully tried.   --Milton.
 3. Solid; -- opposed to fluid; as, firm land.
 4. Indicating firmness; as, a firm tread; a firm countenance.
 Syn: -- Compact; dense; hard; solid; stanch; robust; strong; sturdly; fixed; steady; resolute; constant.