Caviler
The Century Dictionary and Cyclopedia
noun.
One who cavils; one who is apt to raise captious objections; a carping disputant.
the GNU version of the Collaborative International Dictionary of English
noun.
One who cavils.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
A person who
cavils
; a
faultfinder
,
quibbler
or
nitpicker
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a disputant who quibbles; someone who raises annoying petty objections
Word Usage
"To make caviler statements about whether something is possible or not with absolutely no knowledge of the subject is simply mind boggling."
Equivalent
caviller
Hypernym
Words that are more generic or abstract
malcontent