'Thwarter' definitions:
Definition of 'thwarter'
From: WordNet
noun
Someone who systematically obstructs some action that others want to take [syn: obstructionist, obstructor, obstructer, resister, thwarter]
Definition of 'Thwarter'
From: GCIDE
- Thwarter \Thwart"er\, n. (Far.) A disease in sheep, indicated by shaking, trembling, or convulsive motions. [1913 Webster]