firm meaning , definition , what is firm : a business or company, especially a smal...: Learn more. Firm definition: not soft or yielding when pressed; comparatively solid, hard, stiff, or rigid.. See examples of FIRM used in a sentence. The meaning of FIRM is securely or solidly fixed in place. How to use firm in a sentence. FIRM definition : 1. not soft, but not completely hard: 2. certain or fixed and not likely to change: 3. strong and…. Learn more.
