simple past tense and past participle of black top

simple past tense and past participle of black-top

Having a top that is black. / Paved with asphalt.

Having a (generally) level upper surface.

simple past tense and past participle of top oneself

(of a vehicle) Synonym of open-top.

simple past tense and past participle of top one's boom

simple past tense and past participle of top from the bottom

(military, government) Information classified at one of the highest levels of sensitivity by a government, based on an assessment that it would cause exceptionally grave damage to national security if disclosed.

A secret that is classed as "top secret"; a top-secret secret; top-secret information. / Used other than figuratively or idiomatically: see top, secret.