Meaning

adjective excessively quick

adjective done with very great haste and without due deliberation; - Shakespeare; - Arthur Geddes

originFrom Middle English hasty, of obscure origin. Likely a new formation in Middle English equivalent to haste + -y, found as in other Germanic languages (Old Frisian hâstich, Middle Dutch haestich (> Dutch haastig (“hasty”)), Middle Low German hastich (“hasty”), German hastig, Danish hastig, Swedish hastig (“hasty”)); otherwise possibly representing an assimilation to the foregoing of Middle English…

Etymology from Wiktionary, CC BY-SA 3.0