/an'tee di pres"euhnt, an'tuy-/ , Pharm.
adj.
1. of or pertaining to a substance that is used in the treatment of mood disorders, as characterized by various manic or depressive affects.
n.
2. Also called energizer, psychic energizer . any such substance, as a tricyclic antidepressant, MAO inhibitor, or lithium.
Also, anti-depressant, antidepressive /an'tee di pres"iv, an'tuy-/ .
[ 1960-65; ANTI- + DEPRESSANT ]