1 banner, ensign, standard, pennant, banneret, pennon, streamer, bunting, jack, gonfalon, vexillum:
Our flag was raised over the fort.
2 Often flag down, warn, signal, hail, inform, stop:
A workman flagged us down because the bridge was out.
3 mark, tag, label, tab, identify, Brit tick (off), US and Canadian check (off):
Flag the supplies you need that are listed here.
1 droop, sag, dangle, hang down, swag, festoon:
In the doldrums the sails flagged soggily about the masts.
2 weaken, languish, falter, fail, dwindle, fade, deteriorate, waste away, degenerate, die, decline, diminish, decrease, lessen, abate, peter out, taper off, let up, ease (up), subside, slump, fall off, wane, ebb, sink, lag:
When he reached eighty, he sometimes complained that his sexual appetite was flagging.