General Usage:
* The referee called a flagrant foul on the player for elbowing his opponent.
* Her disregard for the rules was flagrant and resulted in her immediate dismissal.
* The evidence of their flagrant disregard for safety protocols was undeniable.
With Emphasis on "Obvious" or "Conspicuous":
* The flagrant injustice of the situation was obvious to everyone present.
* The company's flagrant violation of environmental regulations drew the attention of authorities.
* Her flagrant lack of interest in the meeting was evident in her constant phone use.
With Emphasis on "Extreme" or "Blatant":
* The team's flagrant disregard for the rules led to their disqualification.
* The flagrant disrespect shown to the elderly was appalling.
* The flagrant lies he told were eventually exposed.
Remember: "Flagrant" implies a clear and obvious violation of rules, standards, or ethical principles.