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tr.v. thwart·ed, thwart·ing, thwarts
1. To prevent the occurrence, realization, or attainment of: They thwarted her plans.
2. To oppose and defeat the efforts, plans, or ambitions of (someone).
1. A seat across a boat on which a rower may sit.
2. A transverse strut in a canoe or other small boat.
1. Extending, lying, or passing across; transverse.
2. Eager to oppose, especially wrongly; perverse.
adv. & prep. Archaic
Athwart; across.

[Middle English thwerten, from thwert, across, from Old Norse thvert, neuter of thverr, transverse; see terkw- in Indo-European roots.]

thwart′er n.
thwart′ly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thwarter - someone who systematically obstructs some action that others want to take
controversialist, disputant, eristic - a person who disputes; who is good at or enjoys controversy
naysayer - someone with an aggressively negative attitude
stonewaller - one who stonewalls or refuses to answer or cooperate; someone who delays by lengthy speeches etc.
References in periodicals archive ?
Instead it's a silent thwarter that has turned me into the most self-conscious and unsociable bugger.
On a discussion panel about torture and terrorism law, Supreme Court Justice Antonin Scalia argued that federal agents, fictional or not, deserve latitude in times of crisis Jack Bauer is a terrorism thwarter played by Kiefer Sutherland in the Fox drama "24"
Such is the logic of the Hegelian dialectic; as the Western "text" is displaced, transplanted into the New World, it is inevitable that its new readings will simply be syntheses of thwarter contradictions and a deeper and fuller realization of the freedom of self-consciousness will result.