What is the opposite of slack off?

Need antonyms for slack off? Here's a list of opposite words from our thesaurus that you can use instead.

Contexts ▼▲ Opposite of to reduce the force of something Opposite of to live or work less actively or intensely To tighten, especially one's muscles To hasten the progress of or make easier To strive in pursuit of a goal … more ▼ ▲ Verb ▲ Opposite of to reduce the force of something intensify increase boost heighten strengthen raise extend escalate concentrate sharpen deepen magnify reinforce step up amplify enhance augment widen compound fester aggravate add to redouble exacerbate build up expand emphasiseUK emphasizeUS accentuate broaden pick up worsen gain strength inflame make worse run high Verb ▲ Opposite of to live or work less actively or intensely work harder strive more diligently exert more effort endeavor with increased intensity toil harder labor harder try harder Verb ▲ To tighten, especially one's muscles flex tauten tense contract stiffen tighten knot tension brace make taut tense up “I stand on my tip-toes and flex every muscle in my body that I can.” Verb ▲ To hasten the progress of or make easier speed up facilitate ease accelerate advance drive expedite forward further hasten hurry impel promote quicken rush smooth speed spur stimulate aid assist enable encourage help inspire motivate push make easier make easy make smooth make smoother open doors open the door for smooth the path of smooth the way for assist the progress of fast-track clear the way for help along make possible pave the way for run interference for hand-carry oil the wheels of loosen up precipitate speedy walk through grease the wheels “The two leaders agreed on the need to speed up efforts to resume a serious peace process.” Verb ▲ To strive in pursuit of a goal struggle strive endeavourUK endeavorUS laborUS toil seek try undertake aspire assay attempt labourUK push strain work aim essay moil try hard apply battle drive drudge grind hustle peg away plug away scramble slog sweat venture exert oneself give it your best shot go all out graft knock oneself out knuckle down leave no stone unturned make an effort make every effort pull out all the stops push oneself slave away work hard bang away beaver beaver away bend over backwards break one's back break your neck bust a gut do all one can do one's best do your utmost go for broke go for it hammer away have a crack at have a shot at have a swing at have one's nose to grindstone keep your head down make a great effort make a run at put one's back into it put yourself out spare no effort take on try one's hardest work like a dog slave pitch in plod away buckle down dig in work like a Trojan work day and night kill oneself work one's socks off apply oneself keep at it acquit oneself keep your nose to the grindstone grind out trudge work your fingers to the bone bullock put one's back into something carry on exert yourself work your guts out dig away plod along slog away sweat blood “I would struggle to learn Japanese for the best part of five years until it finally clicked.” Find more words! 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Win Amazon gift cards by writing simple stories at Fictish, a new story writing game backed by WordHippo. See Also What is another word for slack off? Sentences with the word slack off What is the past tense of slack off? Use our Antonym Finder Nearby Words slacks slacks off slacks up slack up slade slag slacknesses slackness slackly slacking up slacking off slacking