opportunism

noun
UK /ˌɒpəˈtjuːnɪzəm/
US /ˌɑːpərˈtuːnɪzəm/

Taking advantage of a chance to help yourself, even if it is not fair to others.

His opportunism showed when he took credit for the team's work.


OTHER MEANINGS

2. The practice of doing whatever is easiest or most useful at the moment instead of following a plan.

The coach's opportunism led him to change the lineup every game.

3. Using a situation to gain power or money without caring about right and wrong.

The politician's opportunism angered voters who wanted honest leaders.

4. In biology, a way of living where an animal or plant quickly uses any food or space it finds.

Weeds are examples of opportunism because they grow anywhere they can.