1. captious - Adjective
2. captious - Adjective Satellite
Apt to catch at faults; disposed to find fault or to cavil; eager to object; difficult to please.
Fitted to harass, perplex, or insnare; insidious; troublesome.
Source: Webster's dictionarya captious pedant Source: Internet
an excessively demanding and faultfinding tutor Source: Internet