Opportunist actions are not planned, but are carried out in order to take advantage of a situation that has just occurred. Eric Cantona made the game safe with a brilliant opportunist goal
disapproval If you describe someone as opportunist, you are critical of them because they take advantage of any situation in order to gain money or power, without considering whether their actions are right or wrong. corrupt and opportunist politicians. An opportunist is someone who is opportunist. Like most successful politicians, Sinclair was an opportunist Car thieves are opportunists
a person who places expediency above principle taking immediate advantage, often unethically, of any circumstance of possible benefit
taking immediate advantage, often unethically, of any circumstance of possible benefit