Heave/hiːv/ Definition 1 of 7Pro Tip 1/2Physical Effort Emphasizes the strain or struggle involved when moving something heavy. The movers heaved the piano up the stairs with great effort. Pro Tip 2/2Not Graceful Suggests a lack of grace or elegance in the action; it's often laborious and awkward. He heaved the sack onto his back, staggering a little.