overdose

noun, verb, o·ver·dosed, o·ver·dos·ing.

1. OD.

noun (ˈəʊvəˌdəʊs)

1. (esp of drugs) an excessive dose

verb (ˌəʊvəˈdəʊs)

2. to take an excessive dose or give an excessive dose to

n.1700, “an excessive dose,” from over- + dose (n.). v.1727, “to administer medicine in too large a dose” (transitive); from 1968 as “to take an overdose of drugs;” see over- + dose (v.). Related: Overdosed; overdosing. n.

1. An excessive dose, especially of a narcotic.