thwart (adv.)

c. 1200, from a Scandinavian source, probably Old Norse þvert "across," originally neuter of thverr (adj.) "transverse, across," cognate with Old English þweorh "transverse, perverse, angry, cross," from Proto-Germanic *thwerh- "twisted, oblique" (source also of Middle Dutch dwers, Dutch dwars "cross-grained, contrary," Old High German twerh, German quer, Gothic þwairhs "angry"), altered (by influence of *thwer- "to turn") from *therkh-, from PIE root *terkw- "to twist." From mid-13c. as an adjective.

thwart (v.)

"oppose, hinder," mid-13c., from thwart (adv.). Related: Thwarted; thwarting.

updated on October 14, 2021

Definitions of thwart from WordNet
thwart (v.)
hinder or prevent (the efforts, plans, or desires) of;
Synonyms: queer / spoil / scotch / foil / cross / frustrate / baffle / bilk
thwart (n.)
a crosspiece spreading the gunnels of a boat; used as a seat in a rowboat;
Synonyms: cross thwart
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