Synonym of IRONIC

Answer: Option C

Good-natured : kind, friendly, and patient.
Inflexible : unwilling to change or compromise.
Sarcastic : marked by or given to using irony in order to mock or convey contempt.
Bitter : having a sharp, pungent taste or smell; not sweet.
Ironic : using or characterized by irony.

Synonym of Ironic is Sarcastic