Synonyms:
- annulment,
- bafflement,
- balk,
- balking,
- buck-passing,
- cancellation,
- check,
- checkmate,
- circumvention,
- confounding,
- counterbalancing,
- defeat,
- discomfiture,
- disconcertion,
- elusion,
- evasion,
- foil,
- foiling,
- frustration,
- getting around,
- getting round,
- invalidation,
- neutralization,
- nullification,
- offsetting,
- outguessing,
- outmaneuvering,
- outwitting,
- passing the buck,
- the runaround,
- the slip,
- undoing,
- upset,
- vitiation,
- voiding