inconspicuous

Their strategy, were they to try to board a plane with a weapon, would be to dress as inconspicuously as possible.

Between a couple of rows of lockers, a youth sat in an inconspicuously placed chair.

In a moment we were out of doors, walking as inconspicuously as possible near the wall.

He disappeared in the scrub as inconspicuously as a rat, while two of the tinklers came up the slope from the waterside.