Becoming tired or less dynamic; declining in strength; dwindling.

A pavement or sidewalk of flagstones; flagstones, collectively. / The process by which something flags or tires.

simple past tense and past participle of flag

Marked with a flag / registered with a particular country (and thus flying its flag)

Paved with flagstones.

Having split, bushy ends (of bristles).

plural of flagging

(military, slang) Nickname for a flag lieutenant.

(Britain, Ireland) A day on which a registered charity raises money, usually by selling small lapel flags. / (software) A day designated for changing to an incompatible system.

(transitive, idiomatic) Use a flag or similar kind of signal to get someone's attention.