AT Scrabble 2 Words With Friends 2 Definition noun a highly unstable radioactive element (the heaviest of the halogen series). — synonyms: astatine, atomic_number_85 noun 100 at equal 1 kip in Laos. Anagrams of AT ta See all 2 words you can make from AT → 2-letter words Words starting with A Words ending with T ← Unscramble different letters