Verb
invalidate -
declare invalid; "The contract was annulled" ; "void a plea"
annul ,
quash ,
void ,
avoid ,
nullify
formalise ,
formalize ,
validate make formal or official; "We formalized the appointment and gave him a title"
strike down ,
cancel cause to die, especially suddenly; "The disease struck down many young men in the village"
break weaken or destroy in spirit or body; "His resistance was broken" ; "a man broken by the terrible experience of near-death"
stet printing: direct that a matter marked for omission or correction is to be retained (used in the imperative)
invalidate -
take away the legal force of or render ineffective; "invalidate a contract"
void ,
vitiate
validate make valid or confirm the validity of; "validate a ticket"
modify ,
alter ,
change make less severe or harsh or extreme; "please modify this letter to make it more polite" ; "he modified his views on same-gender marriage"
invalidate -
show to be invalid
nullify
validate make valid or confirm the validity of; "validate a ticket"
contradict ,
negate deny the truth of
invalidate -
make invalid for use; "cancel cheques or tickets"
cancel
score ,
mark make underscoring marks
