Definitions

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[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

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

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.

Here’s how public school seniors can check their eligibility and sign up to claim their scholarship funds.

From Los Angeles Times • May 13, 2026

Alex tried to sign up to a computer college in France and told them his real name.

From BBC • May 13, 2026

Kymi Able-Brown, a 38-year-old physical therapist, is among the millions of borrowers who recently received an email from the Education Department saying she had to sign up for a new plan.

From The Wall Street Journal • May 2, 2026

You can sign up here to have the Need to Know newsletter waiting in your inbox every morning.

From MarketWatch • May 1, 2026

Ida Wells-Barnett organized the Alpha Suffrage Club to conduct door-to-door registration and sign up legions of new women voters.

From "A Few Red Drops: The Chicago Race Riot of 1919" by Claire Hartfield

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Example Sentences

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