Definition of launch
transitive verb
1 a
:to throw forward :hurl
- launched an arrow at a target
b
:to release, catapult, or send off (a self-propelled object)
- launch a rocket
2 a
:to set (a boat or ship) afloat
b
:to give (a person) a start
- launched her on a new career
d
:to load into a computer's memory and run
- launch a program
intransitive verb
1 a
:to spring forward :take off
- The catapult snagged and the plane overturned before it could launch.
b
:to enter energetically
- launched into an impromptu speech
- —Tim Tucker
2 a
archaic
:to slide down the ways
b
:to make a start
- had launched on his hour of study
- —Hallam Tennyson
