Definition(s):
Adjective
having an uncooperative attitude toward authority or discipline
Noun
a person with an uncooperative attitude
Origin:
First, it came from the Latin word "calx/calc", which means "heel". Then it changed to the Latin word "recalcitrant" meaning "kicking out with the heels". Eventually, the current word and definition cam along.
Antonyms:
Cooperative and Docile
Synonyms:
Defiant and Uncooperative
Hope this helped! :-)