Definition of firm

• superl. - Fixed; hence, closely compressed; compact; substantial; hard; solid; -- applied to the matter of bodies; as, firm flesh; firm muscles, firm wood.
• superl. - 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.
• superl. - Solid; -- opposed to fluid; as, firm land.
• superl. - Indicating firmness; as, a firm tread; a firm countenance.
• a. - The name, title, or style, under which a company transacts business; a partnership of two or more persons; a commercial house; as, the firm of Hope & Co.
• a. - To fix; to settle; to confirm; to establish.
• a. - To fix or direct with firmness.