RichThesaurus
prevent
prevent
synonyms
stop
hinder
check
obstruct
block
impede
thwart
frustrate
halt
foil
preclude
forestall
inhibit
curb
restrain
hamper
balk
bar
stave off
stymie
avert
rule out
obviate
restrict
ward off
forbid
deter
arrest
discourage
prohibit
put a stop to
defeat
suppress
hold back
oppose
debar
baffle
dash
nip in the bud
delay
scotch
stay
counteract
hold up
ruin
interrupt
fend off
disallow
avoid
resist
prevent
definitions
verb
To stop (an outcome); to keep from (doing something).