mindlessness mindlessly • mindsight · · · Info · Definitions · Synonyms · Characters · · mindlessness · · Text Latin · · Script 12 · · Length Definitions · · · (noun) total lack of meaning or ideas. Synonyms: inanity, senselessness, vacuity, pointlessness. · · Noun Definition 1 (noun) the trait of acting rashly and without prudence. Synonyms: heedlessness, rashness. · · Noun Definition 2 Synonyms · · · inanity · · Synonym 1 senselessness · · Synonym 2 vacuity · · Synonym 3 pointlessness · · Synonym 4 heedlessness · · Synonym 5 rashness · · Synonym 6 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E s latin small letter s U+0073