To assert the contrary of; to deny the truth of something.

अस्वीकार करना

English Usage: He contradicted her statement during the meeting.

Hindi Usage: उसने बैठक के दौरान उसके बयान को अस्वीकार किया।

Inclined to contradict; inconsistent or opposing in nature.

विरोधाभासी

English Usage: Their actions were contradictory to their promises.

Hindi Usage: उनके कार्य उनके वादों के विरोधाभासी थे।