Englishcaptious
adjective
the losers were glum and captious:
critical, fault-finding, quibbling, niggling, cavilling, carping, criticizing, disapproving, censorious, judgmental, overcritical, hypercritical, pedantic, hairsplitting, pettifogging;
Scottish, & Irish pass-remarkable;
informal nitpicking;
British, informal pernickety;
North American, informal persnickety.
▷antonyms forgiving, easygoing.