adjective

1. Lacking mental and physical alertness and activity: lethargic, sluggish, stupid, stuporous, torpid. Slang dopey. See action/inaction.
2. Lacking in intelligence: blockheaded, dense, doltish, dumb, obtuse, stupid, thickheaded, thick-witted. Informal thick. Slang dimwitted, dopey. See ability/inability.

Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary Copyright © 1995 byHoughton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.