Come January, Mr. Carone will slip imperceptibly into the euro.

Within days of the first screenings of "Testament," everything Lang himself held most dear began to quietly, almost imperceptibly slip away.

About the worst error you can make in an appraisal interview, apart from getting into a direct confrontation and violent argument, is to slip imperceptibly into being defensive.

The ocean had receded, slipped imperceptibly away, until what showed now was half a mile of level, slickly shining sea bottom.

In the fierce, savage game he now played, his habitual geniality imperceptibly slipped away from him, as did his lazy Western drawl.

Well, doubt is something that strikes drivers when they have reached, and imperceptibly slipped past, the apex of their careers.

The F-14 slipped through the sonic barrier imperceptibly, its wings swept full aft, like a horse with its ears pinned back.

My Dog-man imperceptibly slipped back to the dog again; day by day he became dumb, quadrupedal, hairy.

In Ms. Vaughan's terms, the organization slipped imperceptibly into "the normalization of deviance."

Higher and higher they went, weight slipping imperceptibly from them with each successive deck.