concisely

in a few words since there's little room on the form, you'll have to state concisely the reason why you're returning the merchandise Synonyms briefly, compactly, shortly, crisply, curtly, elliptically, laconically, pithily, succinctly, summarily, terselyRelated Words aphoristically, sententiously; exactly, precisely; abruptly, bluffly, bluntly, brusquely; monosyllabicallyNear Antonyms redundantly, repetitiouslyAntonyms diffusely, long-windedly, verbosely, wordily