Thesaurus.com
Dictionary.com
Definitions

sign up

[sahyn-uhp] / ˈsaɪnˌʌp /
VERB
contract
Synonyms
STRONGEST
agree buy negotiate owe settle undertake
STRONG
adjust arrange assent bargain bound circumscribe clinch close commit consent covenant dicker engage initial ink limit obligate pact pledge promise set stipulate
WEAK
accept offer become indebted come around enter into firm a deal give one's word go along with hammer out deal it's a deal make terms put in writing shake hands on it sign for sign papers swear to work out details
Antonyms
STRONG
break confuse derange disagree disapprove disarrange discourage disorder disorganize dissent end free let go open refuse reject release
WEAK
amplify break off dilate enlarge expand extend give increase lengthen spread stretch
VERB
draft
Synonyms
STRONGEST
call up choose press recruit
STRONG
conscript dragoon enlist enroll impress indite induct muster
WEAK
conscribe sign on
Antonyms
STRONG
avoid dodge neglect reject
VERB
employ
Synonyms
STRONGEST
engage enlist hire retain
STRONG
commission contract ink obtain place procure secure
WEAK
bring on board come on board contract for put on sign on take on truck with
Antonyms
STRONGEST
discharge fire let go release shun
STRONG
forfeit lose
WEAK
ignore lay off misuse unemploy
VERB
engage
Synonyms
STRONGEST
employ enlist
STRONG
appoint bespeak book charter commission contract enroll ink lease place prearrange rent reserve retain secure
WEAK
bring on board come on board put on sign on take on truck with
Antonyms
STRONGEST
shun
STRONG
cancel dismiss fire free let go lose reject spend
WEAK
banish break off break up decline defuse discharge disconnect eject expel give up oust refuse release surrender yield
VERB
enter
Synonyms
STRONGEST
begin join open start
STRONG
commence enlist enroll inaugurate muster subscribe
WEAK
become member commit oneself get oneself into join up lead off participate in set about set out on set to sign on take up tee off
Antonyms
STRONGEST
complete conclude die end finish
STRONG
avoid dodge stop
WEAK
abstain delete depart erase exit forget go leave refrain withdraw
VERB
hire
Synonyms
STRONGEST
appoint bring in draft employ engage enlist lease obtain pick promise rent retain select
STRONG
authorize book carry charter delegate empower exploit ink let occupy place pledge procure secure sublease sublet utilize
WEAK
add to payroll bring on board contract for fill a position find help give a break give job to give work make use of put on put to work sign on take on truck with
Antonyms
STRONGEST
dismiss fire let go lose refuse reject release shun
STRONG
cancel
WEAK
discharge lay off
VERB
induct
Synonyms
STRONGEST
conscript enlist inaugurate recruit swear in
STRONG
draft initiate install introduce invest
WEAK
instate sign on
Antonyms
STRONG
close end finish take away
WEAK
blackball expel reject turn away
VERB
join
Synonyms
STRONGEST
cooperate enlist enter follow side with
STRONG
align consort enroll
WEAK
associate with be in come aboard fall in with go to mingle with pair with plug into sign on take part in take up with team up with throw in with tie up with
Antonyms
STRONGEST
avoid shun stop
WEAK
disjoin divide leave resign separate withdraw
VERB
muster
Synonyms
STRONG
assemble collect congregate congress convene convoke enroll enter group marshal meet mobilize organize raise rally rendezvous summon
WEAK
call together call up join up round up sign on
Antonyms
STRONG
avoid cancel destroy dismiss disorganize disperse divide dodge ignore neglect scatter separate stop
WEAK
remove throw away
VERB
recruit
Synonyms
STRONGEST
call up draft engage enlist enroll improve mobilize raise round up select
STRONG
augment better deliver gain impress induct levy muster obtain procure proselytize reanimate recoup recover recuperate refresh regain reinforce renew repair replenish repossess restore retrieve revive strengthen supply
WEAK
build up call to arms fill up find human resources sign on store up take in take on win over
Antonyms
STRONGEST
avoid cancel decline decrease diminish dismiss dodge ignore neglect refuse reject shun stop
STRONG
break damage destroy deteriorate forfeit hurt kill lose miss ruin waste weaken worsen
VERB
register
Synonyms
STRONGEST
enroll file join list record
STRONG
catalogue chronicle enlist inscribe note schedule subscribe
WEAK
check in set down sign on sign up for take down weigh in
Antonyms
WEAK
eradicate erase
VERB
subscribe
Synonyms
STRONGEST
ante up
STRONG
advocate buy consent donate endorse enroll give grant ink offer pledge promise register second set sign support
WEAK
chip in come through do one's part make a deal pitch in put up signature
Antonyms
STRONG
break deny disapprove discourage keep neglect oppose protest refuse reject renege take withhold
WEAK
disagree
VERB
volunteer
Synonyms
STRONGEST
come forward enlist step forward suggest
STRONG
advance present proffer propose tender
WEAK
bring forward chip in do on one's own volition go in let oneself in for offer services put at one's disposal put forward speak up stand up submit oneself take bull by the horns take initiative take the plunge take upon oneself
Antonyms
STRONG
take back
WEAK
compel force obligate

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.

Howland is often overseas for work during sign-up season.

From The Wall Street Journal • Mar. 15, 2026

A coalition including Idaho’s union didn’t sue until September—getting headlines alongside the start of school, and ensuring the litigation was raging when the sign-up period began in January of this year.

From The Wall Street Journal • Feb. 12, 2026

One includes posts showing invitation documents and lists of names, the other has advertised large sign-up payments for joining an "elite battalion".

From BBC • Jan. 12, 2026

Barrio Power’s community leaders began meeting at least twice a week right after Thanksgiving, when they first launched the angel tree sign-up sheet.

From Los Angeles Times • Dec. 25, 2025

"Do you think the guys would let us see the sign-up list?"

From "Scream for Ice Cream: Nancy Drew and the Clue Crew, #2" by Carolyn Keene