in haste in·haste uncommon adverb 1. in a hurried or hasty manner “the way they buried him so hurriedly was disgraceful” “hastily, he scanned the headlines” “sold in haste and at a sacrifice” Synonymshurriedlyhastilyin haste Antonymsunhurriedly Related words Pertaining to hastyhurried WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.