a word that refers to a person, place, thing, event: 'dog', 'tree', 'woman', 'chair' and 'England' the use of the same sound at the beginning of several words that are close together: 'Round the rugged rocks the ragged rascal ran' an expression comparing one thing with another, always including the words `as' or `like': My hands are as cold as ice. The sun is like a flaming beach ball. The use of words that are similar to the noises that the words refer to "Pop", "boom" and "squelch" - A describing word. a word that describes a noun: 'Big', 'spotty', 'purple'