noun, plural ODs or OD's.
an overdose of a drug, especially a fatal one.
a person who has taken an overdose of a drug, especially one who has become seriously ill or has died from such an overdose.
verb (used without object), OD'd or ODed or OD'ed, OD'ing or OD·ing.
to take an overdose of a drug.
to die from an an overdose of a drug.
to have or experience an excessive amount or degree of something.
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disintegrate, crumble, wither, cease, disappear, vanish, rot, succumb, decease, depart, collapse, pass, corrupt, expire, demise, fall, go, end, waste, decompose
Origin of OD
First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
'Od or Odd
an overdose of a drug
verb OD's, OD'ing or OD'd
(intr) to take an overdose of a drug
Word Origin for OD
C20: from o (ver) d (ose)
Officer of the Day
Also: o.d. military olive drab
Also: O/D banking
- on demand
odyl or odyle (ˈɒdɪl)
archaic a hypothetical force formerly thought to be responsible for many natural phenomena, such as magnetism, light, and hypnotism
Word Origin for od
C19: coined arbitrarily by Baron Karl von Reichenbach (1788–1869), German scientist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Doctor of Optometry
oculus dexter (right eye)
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.