She greeted him with a conniving smile, knowing she had just pulled off a successful prank.
His conniving plan to sabotage his coworker's project was eventually discovered.
Her conniving behavior at the office made her colleagues wary of trusting her.
The novel's antagonist was portrayed as a conniving character who would stop at nothing to achieve his goals.
His conniving nature was evident in the way he manipulated those around him for personal gain.