Gigantic Gigantic synonyms mammoth gigantic and mammoth giant gigantic and giant vast gigantic and vast enormous gigantic and enormous huge gigantic and huge tremendous gigantic and tremendous gargantuan gigantic and gargantuan monstrous gigantic and monstrous colossal gigantic and colossal massive gigantic and massive Full list of synonyms (524) Gigantic antonyms tiny gigantic and tiny small gigantic and small little gigantic and little miniature gigantic and miniature minute gigantic and minute teeny gigantic and teeny diminutive gigantic and diminutive teensy gigantic and teensy minuscule gigantic and minuscule microscopic gigantic and microscopic Full list of antonyms (36) Share this picture Share this image Share this picture Share this image