An appreciable consequence (especially a lessening).

Roget 252: concavity, depression, dip; hollow, hollowness; indentation, intaglio, cavity, dent, dint, dimple, follicle, pit, sinus, alveolus^†, lacuna; excavation, strip mine; trough etc. (furrow) 259; honeycomb.    cup, basin, crater, punch bowl; cell etc. (receptacle) 191; socket.    valley, vale, dale, dell, dingle, combe^†, bottom, slade^†, strath^†, glade, grove, glen, cave, cavern, cove; grot^†, grotto; alcove, cul-de-sac; gully etc. 198; arch etc. (curve) 245; bay etc. (of the sea) 343.    excavator, sapper, miner.    honeycomb (sponge) 252.1. ... show more

A depression scratched or carved into a surface.

synonyms: incision, prick, scratch, slit.

An impression in a surface (as made by a blow).

synonyms: ding, gouge, nick.

Roget 257: notch, dent, nick, cut; indent, indentation; dimple.    embrasure, battlement, machicolation^†; saw, tooth, crenelle^†, scallop, scollop^†, vandyke; depression; jag.    ... show more

Polish: wgięcie, wgniecenie

Make a depression into:
— The bicycle dented my car.

synonym: indent.

Roget 252: be concave etc. adj.; retire, cave in.    render concave etc. adj.; depress, hollow; scoop, scoop out; gouge, gouge out, dig, delve, excavate, dent, dint, mine, sap, undermine, burrow, tunnel, stave in.    ... show more

Roget 257: notch, nick, cut, dent, indent, jag, scarify, scotch, crimp, scallop, scollop^†, crenulate^†, vandyke.   

Dutch: blutsen, deuk