ID Scrabble 3 Words With Friends 3 Definition noun a state in the Rocky Mountains. — synonyms: Idaho, Gem_State, Id. noun a card or badge used to identify the bearer. — synonyms: I.D. noun (psychoanalysis) primitive instincts and energies underlying all psychic activity. See all 1 words you can make from ID → 2-letter words Words starting with I Words ending with D ← Unscramble different letters