Origin: 1375–1425; late Middle English explanen <
Latin explānāre to smooth out, make intelligible, spread out on flat surface. See
ex-1,
plane1 Related forms ex·plain·a·ble, adjective
mis·ex·plained, adjective
non·ex·plain·a·ble, adjective
o·ver·ex·plain, verb
pre·ex·plain, verb
re·ex·plain, verb (used with object)
un·ex·plain·a·ble, adjective
un·ex·plain·a·bly, adverb
un·ex·plained, adjective
un·ex·plain·ing, adjective
well-ex·plained, adjective
Synonym Study
1. Explain, elucidate, expound, interpret imply making the meaning of something clear or understandable. To explain is to make plain, clear, or intelligible something that is not known or understood: to explain a theory or a problem. To elucidate is to throw light on what before was dark and obscure, usually by illustration and commentary and sometimes by elaborate explanation: They asked him to elucidate his statement. To expound is to give a methodical, detailed, scholarly explanation of something, usually Scriptures, doctrines, or philosophy: to expound the doctrine of free will. To interpret is to give the meaning of something by paraphrase, by translation, or by an explanation based on personal opinion: to interpret a poem or a symbol.