thwart has definitions from the field of nautical
1
[ verb ] hinder or prevent (the efforts, plans, or desires) of

Examples

"What ultimately frustrated every challenger was Ruth's amazing September surge" "foil your opponent"

Used in print

(Frieda Arkin, "The Light of the Sea," in The...)

And the stiffly regal look of them , she saw grimly , lacked the quaver of age which , thwarting the efforts of her amazing will , ran through her spoken_words like a thin ragged string .

2
[ noun ] (nautical) a crosspiece spreading the gunnels of a boat; used as a seat in a rowboat

Synonyms

cross_thwart

Used in print

(Bruce Palmer, "My Brother's Keeper", Many Are...)

The man swayed on a thwart , turning his ruined eyes from side to side .

Related terms

crosspiece dinghy

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