To make shallow cuts or scratches on the surface of something. The gardener scarified the lawn to promote better growth.
To break up the surface of soil or pavement to improve its condition. The workers scarified the road before laying down new asphalt.
To criticize or attack someone harshly. The critic scarified the author's latest novel in the review.
To abrade or nick the hard outer coat of (seeds) to accelerate germination or water absorption. Before planting, the horticulturist scarified the acacia seeds to ensure quicker germination.