Definitions

fill up

[fil-uhp] / ˈfɪlˌʌp /

VERB

brim

Synonyms

STRONGEST

fill overflow swell teem

STRONG

spill

WEAK

hold no more run over well over

VERB

fuel

Synonyms

STRONGEST

feed incite inflame sustain

STRONG

charge fan fire gas nourish service supply

WEAK

fill 'er up gas up stoke up tank up

Antonyms

WEAK

de-energize deplete discourage unfuel

VERB

heap

Synonyms

STRONGEST

concentrate dump stack

STRONG

accumulate add arrange augment bank bunch deposit fill gather group hoard increase load lump mass mound pack stockpile store swell

Antonyms

STRONG

decrease deplete diminish disperse distribute divide lessen lose mix up scatter separate spend spread squander subtract use waste

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 find human resources sign on sign up 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

supplement

Synonyms

STRONGEST

augment build up buttress complement enhance enrich fill out fortify improve reinforce strengthen subsidize

STRONG

complete extend increase pad supply top

WEAK

add fuel to fire beef up heat up jazz up punch up step up

Antonyms

STRONGEST

decrease discourage dissuade hurt injure let down reduce take away weaken worsen

STRONG

lose lower

WEAK

subtract

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.

Wallace said it used to cost $20 to fill up his gas tank, now it costs about $32.

From The Wall Street Journal • Jun. 2, 2026

Bring your own reusable water bottle so that you can fill up at water points without queuing at a drinks tent.

From BBC • May 22, 2026

Many are turning to the U.S., where an unusually large armada of tankers are headed to fill up.

From The Wall Street Journal • May 13, 2026

Still, as motorists cough up more than $100 in some cases to fill up their gas-powered cars, some EV drivers say they are feeling a sense of vindication.

From MarketWatch • May 6, 2026

So that was the end of the pet parade, and it left a big empty spot in the day’s activities, which the teachers had to fill up somehow.

From "The Best School Year Ever" by Barbara Robinson

fill up

Example Sentences

Related Words