1an instrument for stamping a pattern or mark, in particular an engraved or inked block or die.
a mark or pattern made by a stamp, especially one indicating official validation:passports with visa stamps figurativethe emperor gave them his stamp of approval
a characteristic or distinctive impression or quality:the whole project has the stamp of authorityeven the least expensive movie bore the stamp of the studio’s plush style
a particular class or type of person or thing:empiricism of this stamp has been especially influential in British philosophy
2a small adhesive piece of paper stuck to something to show that an amount of money has been paid, in particular a postage stamp:a first-class stampTV licence stamps
3an act or sound of stamping with the foot:the stamp of boots on the bare floor
4a block for crushing ore in a stamp mill.
1bring down (one’s foot) heavily on the ground or on something on the ground:he stamped his foot in frustration [no object]:he threw his cigarette down and stamped on it figurativeRobertson stamped on all these suggestions
[with object and adverbial] crush, flatten, or remove with a heavy blow from one’s foot:she stamped the snow from her boots
[no object, with adverbial of direction] walk with heavy, forceful steps:John stamped off, muttering
2impress a pattern or mark on (a surface, object, or document) using an engraved or inked block or die:the woman stamped my passport
impress (a pattern or mark) with an engraved or inked block or die:a key with a number stamped on the shaft figurativeit’s one of those records that has ‘classic’ stamped all over it
make (something) by cutting it out with a die or mould:the knives are stamped out from a flat strip of steel
reveal or mark out as having a particular quality or ability:his style stamps him as a player to watch
3fix a postage stamp or stamps on to (a letter):Annie stamped the envelope for her
4crush or pulverize (ore).
stamp one's authority (or personality or style etc.) on
have a strong or permanent influence on:he must be able to stamp his authority on the team
stamp something out
1extinguish a fire by stamping on it:he stamped out the flames before they could grow
2suppress or put an end to something by taking decisive action:urgent action is required to stamp out corruption