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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.

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

It’s very easy to slack off when you’re the best player on the field every time you step out there, but he’s always grinding, trying to get better.

From Los Angeles Times • Feb. 7, 2023

He gets to develop a skill set for his preferred profession, come to work late, slack off at his job and still receive a full paycheck.

From New York Times • Oct. 14, 2022

Mom looked at me and added, “It’s not unusual for an athlete, during the season, to slack off a little.”

From "Tangerine" by Edward Bloor