Thesaurus.com
Dictionary.com

sign off on

VERB
accept
Synonyms
STRONGEST
acknowledge admit adopt affirm approve assume buy comply recognize sign undertake
STRONG
accede acquiesce assent avow bear okay
WEAK
agree to check out concur with cooperate with give stamp of approval give the go-ahead give the green light give the nod go for lap up rubber-stamp set store by take on take one up on thumbs-up
Antonyms
STRONGEST
deny disapprove oppose refuse reject repudiate
STRONG
condemn disagree dissent protest
WEAK
blackball decline demur disallow discard dispute renounce
VERB
admit
Synonyms
STRONGEST
accept concede enter grant introduce permit receive sign take
STRONG
bless buy entertain harbor house initiate let lodge okay shelter suffer
WEAK
be big on give a thumbs-up give access give the nod let in take in
Antonyms
STRONGEST
abstain deny disagree disallow dispute erase give offer refuse reject repudiate stop
STRONG
disregard ignore sell turn away veto
WEAK
confute debar dismiss dissent eject exclude expel gainsay oust repel shut
VERB
approve
Synonyms
STRONGEST
accept advocate agree authorize back certify confirm endorse establish license okay permit push for ratify recommend sanction sign support uphold
STRONG
accede accredit acquiesce affirm assent bless boost buy charter concur consent dig empower encourage groove maintain mandate pronounce seal second validate
WEAK
buy into get behind give go-ahead go along with hats off to lap up make law make valid stump for subscribe to thumbs-up
Antonyms
STRONGEST
contradict decline deny destroy disagree disallow disapprove discourage disprove dispute dissuade invalidate oppose protest refuse reject renounce repudiate veto
STRONG
condemn differ dissent object
VERB
confirm
Synonyms
STRONGEST
affirm approve back certify corroborate endorse establish explain sign substantiate support uphold verify
STRONG
attest authenticate bless buy check circumstantiate debunk double-check justify okay sanction settle subscribe underpin vouch warrant witness
WEAK
bear out check out give green light give high sign give stamp of approval give the go-ahead give the nod lap up make good make sure rubber-stamp size up thumbs-up
Antonyms
STRONGEST
confuse contradict deny disallow disapprove discredit disprove invalidate oppose refuse reject
STRONG
disagree refute veto
WEAK
annul cancel destroy repudiate void
VERB
consent
Synonyms
STRONGEST
acquiesce comply give in subscribe
STRONG
accede accept allow approve assent bless concede concur fold let okay permit sanction yes yield
WEAK
give the nod give up knuckle under make a deal roll over say uncle say yes throw in the towel
Antonyms
STRONGEST
disagree
STRONG
condemn demur deny disallow disapprove dispute dissent forbid hold keep oppose prevent protest refuse reject repudiate veto
WEAK
differ object
VERB
countenance
Synonyms
STRONGEST
abet condone stand for
STRONG
accept advocate aid applaud approbate back champion commend confirm cope encourage endorse favor handle help invite okay sanction swallow uphold
WEAK
bear with get behind give green light give stamp of approval give the nod go along with go for grin and bear it hold with live with nod at put John Hancock on put up with sit still for smile on stomach something thumbs-up
Antonyms
STRONG
block censure criticize deny disagree disapprove discourage dissuade hinder hurt injure obstruct oppose protest refuse reject repudiate veto
WEAK
fight
VERB
endorse
Synonyms
STRONGEST
sign
STRONG
authenticate autograph cosign notarize subscribe superscribe undersign underwrite
WEAK
add one's name to put John Hancock on put signature on rubber-stamp say amen to sign on dotted line
Antonyms
WEAK
censure disapprove oppose protest reject repel unauthorize
VERB
grant
Synonyms
STRONGEST
accept accord allocate allot assign award bestow cede donate give invest permit transfer
STRONG
accede acknowledge acquiesce admit assume avow bless concede confer convey drop impart own present profess relinquish stake suppose surrender transmit vouchsafe yield
WEAK
agree to come across come around come through consent to gift with give a thumbs-up give in give out give the nod go along with own up shake on sign on
Antonyms
STRONGEST
deny disagree disallow fight hold keep refuse reject take withhold
STRONG
conceal condemn contradict disapprove disavow dispute dissent hide protest refrain renounce repudiate veto
VERB
intromit
Synonyms
STRONG
accept bless buy concede enter entertain grant harbor house initiate introduce lodge okay permit receive shelter sign suffer take
WEAK
be big on give a thumbs-up give access give the nod let in take in
Antonyms
STRONG
abstain close condemn deny disagree disallow dispute disregard end erase fight finish forget give hold ignore keep leave offer refuse reject repudiate sell stop turn away veto
VERB
OK
Synonyms
STRONG
boost buy charter consent franchise grant have humor leave let license okay pass privilege sanction sign warrant
WEAK
abet accede accept acquiesce admit agree allow approbate approve authorize bless blink at concede concur condone empower enable endorse endure give a thumbs-up give leave give permission go for indulge let pass sanctify say yes shake on suffer take kindly to tolerate wink at
Antonyms
STRONG
deny disagree disapprove hinder hold keep prevent refuse sell veto
VERB
permit
Synonyms
STRONGEST
accept authorize boost empower enable endorse grant have license sanction tolerate warrant
STRONG
abet accede acquiesce admit agree bless buy charter concede concur condone consent endure franchise humor indulge leave let okay pass privilege sanctify sign suffer
WEAK
blink at give leave give permission go for let pass say yes shake on take kindly to thumbs-up wink at
Antonyms
STRONGEST
deny disallow disapprove halt hinder oppose prevent refuse reject stop veto
STRONG
condemn contradict differ disagree dispute dissent fight forbid hold hurt impede keep object obstruct protest sell
VERB
validate
Synonyms
STRONGEST
approve certify confirm corroborate endorse justify legalize legitimize ratify substantiate verify
STRONG
authenticate authorize constitute okay sanction
WEAK
John Hancock bear out give stamp of approval give the go-ahead give the green light give the nod make binding make legal make stick rubber-stamp set seal on
Antonyms
STRONGEST
contradict deny disagree disallow disapprove discredit disprove invalidate oppose refuse reject repudiate veto

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In addition, the agency must sign off on the company's production plans for Everett before commercial aircraft can be delivered.

From Barron's • Jul. 10, 2026

Dearden said that Local Government Secretary Steve Reed had written to councils encouraging them to sign off on pubs staying open late enough that fans can watch to the end of the match.

From BBC • Jul. 2, 2026

Treasury Secretary Bessent said Thursday, though President Trump has yet to sign off on it.

From The Wall Street Journal • May 29, 2026

Trump had been weighing whether to sign off on it.

From MarketWatch • May 29, 2026

My brother, as promised, had managed to get a teacher to sign off on the whole breakdancing thing.

From "A Very Large Expanse of Sea" by Tahereh Mafi

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "sign off on" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com