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. complete applies when all that is needed is present. Full definition: completely filled; containing all that can be held; filled to utmost capacity.. See examples of FULL used in a sentence. (Definition of full from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press) full - constituting the full quantity or extent; complete; "an entire town devastated by an earthquake"; "gave full attention"; "a total failure" to make full, as by gathering or pleating. to bring (the cloth) on one side of a seam to a little greater fullness than on the other by gathering or tucking very slightly. Astronomy (of the moon) to become full. n. the highest or fullest state, condition, or degree: The moon is at the full. (of the moon) The phase of the moon when it is entire face is illuminated, full moon. Find 1171 different ways to say FULL, along with antonyms, related words, and example sentences at Thesaurus.com. Jun 6, 2025 · full (comparative fuller or more full, superlative fullest or most full) Containing the maximum possible amount that can fit in the space available. The jugs were full to the point of overflowing. There are 69 meanings listed in OED's entry for the word full, five of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence. Something that's full holds as much as it can. If your glass is full of root beer, it's up the brim — no more root beer will fit inside it. When a trash bag is full, it's time to take it outside, and when your mouth is full of cake, you'd better swallow it before you take another bite.