slacked off

Didn't try hard

To slack off is to reduce effort or become lazy, especially when you should be working: I've been slacking off all afternoon instead of finishing the report.

The phrase implies a deliberate easing up rather than genuine fatigue.

Someone who slacks off may face consequences for their diminished productivity.

Related

deteriorated · wasted time · dawdled · diminished · neglected · procrastinated · lazy · loafed · couch potato · delayed · underperformed · dropped the ball · postponed · apathetic · deferred · lagged · ran out of gas · unmotivated

Opposites
effort and diligence

slacked offworked hard

buckled down · applied oneself · knuckled down · hustled · persevered

tension/tautness

slacked offtightened

Made more secure

tensed · pulled taut · stretched · strained

intensity/pace of activity

slacked offramped up

Increased in degree

intensified · bore down · stepped up · accelerated · powered through

Family

slack, slacked, slacking, slacks, slacker, slackers, slackness, slackly, slacken

Familiarity
Top 50,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G