the act of upsetting something; "he was badly bruised by the upset of his sled at a high speed"
the act of disturbing the mind or body; "his carelessness could have caused an ecological upset"; "she was unprepared for this sudden overthrow of their normal way of living"
a tool used to thicken or spread metal (the end of a bar or a rivet etc.) by forging or hammering or swaging
mildly physically distressed; "an upset stomach"
disturb the balance or stability of; "The hostile talks upset the peaceful relations between the two countries"
defeat suddenly and unexpectedly; "The foreign team upset the local team"
cool (hot metal) by plunging into cold water or other liquid; "quench steel"
reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance
satisfy (thirst); "The cold water quenched his thirst"
electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device
lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking; "She always digresses when telling a story"; "her mind wanders"; "Don't digress when you give a lecture"
make (alcohol) unfit for drinking without impairing usefulness for other purposes
modify (as a native protein) especially by heat, acid, alkali, or ultraviolet radiation so that all of the original properties are removed or diminished
add nonfissionable material to (fissionable material) so as to make unsuitable for use in an atomic bomb