Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun stonewaller
1 sense of stonewaller
Sense 1
stonewaller -- (one who stonewalls or refuses to answer or cooperate; someone who delays by lengthy speeches etc.)
=> obstructionist, obstructor, obstructer, resister, thwarter -- (someone who systematically obstructs some action that others want to take)