CAPTIOUS

disposed to point out trivial faults, calculated to confuse or entrap in argument

/tending to find and call attention to faults

SYN - fault finding

"Feeling as though he had constructed a flawless argument he had been anxiously waiting to see if his captious friend could find any faults."

"He felt it was a sound enough argument that even in the eyes of his captious professor it would pass as a work of flawless genious."

"He slowly tried getting out of the conversation as he realized the man he was talking to was overly captious."

"IT was due to his captious nature that no-one ever wanted to get into conversations with him."