INSEMINATION Scrabble 14 Words With Friends 18 Definition noun the act of sowing (of seeds in the ground or, figuratively, of germs in the body or ideas in the mind, etc.). noun the introduction of semen into the genital tract of a female. See all 472 words you can make from INSEMINATION → 12-letter words Words starting with I Words ending with N ← Unscramble different letters