lookup lookum • look up · · · Info · Definitions · Synonyms · Characters · · lookup · · Text Latin · · Script 6 · · Length 2 · · Syllables Definitions · · · (noun) an operation that determines whether one or more of a set of items has a specified property. Synonyms: search. Example: "They wrote a program to do a table lookup." · · Noun Definition 1 Synonyms · · · search · · Synonym 1 Characters · · k latin small letter k U+006B l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 u latin small letter u U+0075