| noun | the act of upsetting something “he was badly bruised by the upset of his sled at a high speed” |
| noun | an improbable and unexpected victory “the biggest upset since David beat Goliath” |
| verb | turn from an upright or normal position “The big vase overturned” |
| verb | cause to overturn from an upright or normal position “The cat knocked over the flower vase” |
| verb | rule against “The Republicans were overruled when the House voted on the bill” |
| verb | cause the downfall of; of rulers “The Czar was overthrown” |
| verb | cancel officially “He revoked the ban on smoking” |
| verb | change radically “E-mail revolutionized communication in academe” |
| upset | verb | cause to overturn from an upright or normal position |
| overturn | verb | cause to overturn from an upright or normal position |
| turn over | verb | turn from an upright or normal position |
| overturn | noun | the act of upsetting something |
| turnover | noun | the act of upsetting something |
| upset | noun | the act of upsetting something |
| reversal | noun | a judgment by a higher court that the judgment of a lower court was incorrect and should be set aside |
| overthrow | noun | the termination of a ruler or institution (especially by force) |
| subversive | adjective | in opposition to a civil authority or government |
| subversion | noun | the act of subverting; as overthrowing or destroying a legally constituted government |
| subverter | noun | a radical supporter of political or social revolution |
| revocation | noun | the act (by someone having the authority) of annulling something previously done |
| annulment | noun | the act of abrogating; an official or legal cancellation |
| countermand | noun | a contrary command cancelling or reversing a previous command |
| reversible | adjective | capable of being reversed |
| reverse | noun | a relation of direct opposition |
| repeal | noun | the act of abrogating; an official or legal cancellation |
| recission | noun | (law) the act of rescinding; the cancellation of a contract and the return of the parties to the positions they would have had if the contract had not been made |
| rescission | noun | (law) the act of rescinding; the cancellation of a contract and the return of the parties to the positions they would have had if the contract had not been made |
| vacation | noun | the act of making something legally void |
| revolution | noun | a drastic and far-reaching change in ways of thinking and behaving |