full, complete, plenary, replete mean containing all that is wanted or needed or possible. full implies the presence or inclusion of everything that is wanted or required by something or that can be held, contained, or attained by it. FULL definition: 1. (of a container or a space) holding or containing as much as possible or a lot: 2. containing a…. Learn more. Define full. full synonyms, full pronunciation, full translation, English dictionary definition of full. adj. full·er , full·est 1. Containing all that is normal or possible: a full pail. FULL definition: completely filled; containing all that can be held; filled to utmost capacity. See examples of full used in a sentence. of the maximum size, amount, extent, volume, etc.: a full load of five tons; to receive full pay. Clothing (of garments, drapery, etc.) wide, ample, or having ample folds. Physically filled or covered until no space is empty; containing or holding as much or as many as possible; full. Dec 25, 2025 · full (comparative fuller or more full, superlative fullest or most full) Containing the maximum possible amount that can fit in the space available. Full definition: Containing all that is normal or possible. Definition of full adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. If you feel full, you have eaten or drunk so much that you do not want anything else. It's healthy to eat when I'm hungry and to stop when I'm full.