Literary devices are figures of speech that achieve special effects through distinctive uses of language. Some common devices include similes, metaphors, hyperbole, personification, onomatopoeia, imagery, foreshadowing, alliteration, allusion, paradox, symbolism, idioms, oxymoron, euphemism, cliché, puns, anaphora, assonance, apostrophe, and paradox. Literary devices help make writing more interesting to read and language use more effective.