1. inclined to contradict or argue; quarrelsome or argumentative
Usage: somewhat formal or archaic
2. containing or involving contradiction; mutually opposed or inconsistent
Usage: formal

Examples

• His contradictious nature made it difficult for him to work well with others.
• The witness gave contradictious statements that undermined her credibility.
• She had a contradictious habit of claiming to want peace while constantly starting arguments.
• The two contradictious clauses in the contract created legal confusion.
• His contradictious remarks—first praising the plan, then condemning it—left everyone confused.