covert

draw a covert for...

the shadowy world of covert operations.

covert operations against the dictatorship.

Religion is often made the covert of crime.

covert military operations; covert funding for the rebels.See Synonyms at secret

a presidential finding that authorized the covert operation.

We should learn to fight with enemy in an overt and covert way.

he delighted his friends with a dry, covert sense of humour.

Students protested covert actions undertaken by the CIA.

The army carried out covert surveillance of the building for several months.

Also, in all of these photos, you cannot see "hanging" alula or primary coverts often shown by Rook.

She intimated that she and her husband were having marital problems. Toinsinuate is to suggest something, usually something unpleasant, in a covert, sly, and underhanded manner: