investigator investigative • investigatorial · · · Info · Definitions · Synonyms · Characters · · investigator · · Text Latin · · Script 12 · · Length Definitions · · · (noun) a scientist who devotes himself to doing research. Synonyms: research worker, researcher. · · Noun Definition 1 (noun) someone who investigates. · · Noun Definition 2 (noun) a police officer who investigates crimes. Synonyms: detective, tec, police detective. · · Noun Definition 3 Synonyms · · · research worker · · Synonym 1 researcher · · Synonym 2 detective · · Synonym 3 tec · · Synonym 4 police detective · · Synonym 5 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076