Definitions

slack off

VERB

bate

Synonyms

STRONG

abate check curb ease ebb lapse lessen moderate restrain slacken wane

WEAK

fall off let up

Antonyms

STRONG

aid assist enlarge extend free help increase liberate raise rise

VERB

decrease

Synonyms

STRONGEST

abate curb curtail cut down decline depreciate deteriorate diminish drop drop off dwindle ease ebb fall off lessen lower reduce shrink sink slacken slash slump soften subside wane weaken

STRONG

check contract crumble decay degenerate devaluate droop evaporate fade lighten modify quell quiet restrain settle shrivel waste wither

WEAK

calm down die down dry up let up lose edge narrow down peter out run low slow down tail off wear away wear down

Antonyms

STRONGEST

ascend compliment develop enlarge expand extend go up grow improve increase irritate laud lengthen praise prolong raise rise strengthen

STRONG

build liberate upset

WEAK

add

VERB

dwindle

Synonyms

STRONGEST

abate decay decline decrease die down diminish drop ebb fade fall lessen peter out shrink shrivel sink subside wane weaken wither

STRONG

bate close contract drain pine taper

WEAK

become smaller die away die out grow less

Antonyms

STRONGEST

ascend develop enhance enlarge expand extend go up grow improve increase prolong raise rise strengthen

WEAK

save swell

VERB

fade

Synonyms

STRONGEST

abate deteriorate dim diminish disappear dissolve ebb evaporate fail fall lessen melt peter out sink vanish wane weaken wilt wither

STRONG

attenuate clear decline deliquesce disperse droop etiolate evanesce flag fold hush languish moderate perish quiet rarefy shrivel taper thin tire

WEAK

die away die on vine evanish fag out melt away poop out tucker out waste away

Antonyms

STRONGEST

appear bloom develop enlarge extend grow increase prolong rise solidify strengthen

STRONG

expand go up improve

WEAK

enhance recover

VERB

peter out

Synonyms

STRONGEST

abate die out ebb evaporate fade recede tail away tail off taper off wane

WEAK

come to nothing die down diminish drain dry up fail give out lessen run dry run low run out stop

Antonyms

STRONGEST

increase rise

WEAK

grow

VERB

rest

Synonyms

STRONGEST

breathe lean lie down relax sit down stretch out

STRONG

doze dream drowse idle laze loaf loll lounge nap nod recline repose slack slacken slumber snooze spell unbend unlax unwind

WEAK

be at ease be comfortable compose oneself ease off ease up let down let up lie by lie still put feet up refresh oneself take a break take a nap take five take it easy take life easy take ten take time out wind down

Antonyms

STRONG

do energize

WEAK

activate be active carry out move stand walk

VERB

slack/slacken

Synonyms

WEAK

abate decrease diminish dodge drop off dwindle ease ease off featherbed flag goldbrick goof off idle lax lay back lessen let up lie down on job loose moderate neglect reduce relax release shirk slow down taper tire untighten wane

Antonyms

WEAK

stiffen tighten

VERB

wane

Synonyms

STRONGEST

abate atrophy decrease die down die out dim dwindle ebb fade peter out shrink slacken subside taper off weaken wither

STRONG

decline drop fail fall moderate relent sink

WEAK

die away draw to a close ease off fade away fall short let up waste away wind down

Antonyms

STRONGEST

brighten develop enhance enlarge expand extend grow increase rise strengthen

STRONG

ascend go up reach win

WEAK

raise

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.

After college he did not slack off, noted his biographer Christopher Simon Sykes.

From Los Angeles Times • Jun. 12, 2026

When it comes to exercise, it can be easy to slack off.

From The Wall Street Journal • Nov. 21, 2025

We may choose to slack off on the job because we’re burned out or dissatisfied with our working conditions.

From Salon • Jul. 7, 2025

The snow began to slack off after the sun came up, but more is expected, and winds are forecast to pick up later Friday morning.

From New York Times • Jan. 12, 2024

I know this is tough, Nicky, but you can’t slack off.

From "Booked" by Kwame Alexander

slack off

Example Sentences

Related Words