cap·tious 
(kăpshəs)
(kăpshəs)adj.
1. Marked by a disposition to find and point out trivial faults: a captious scholar.
2. Intended to entrap or confuse, as in an argument: a captious question.
[Middle English capcious, from Old French captieux, from Latin captiōsus, from captiō, seizure, sophism, from captus, past participle of capere, to seize; see kap- in the Appendix of Indo-European roots.]
captious·ly adv.
captious·ness n.