What is the meaning of Recalcitrant?

Marked by a stubborn unwillingness to obey authority.

Unwilling to cooperate socially.

Difficult to deal with or to operate.

Not viable for an extended period; damaged by drying or freezing.

A person who is recalcitrant.

recalcitrant

third-person plural present active indicative of recalcitrō

recalcitrant

Source: wiktionary.org