flag-v; 4 Senses

Sense Number 1: Communicate or signal to with a flag, possibly with the intent to stop (someone).

Commentary: Includes: FLAG DOWN Syntax Includes: NP1[agent] FLAG (down) NP2[patient] NP1[agent] FLAG NP2[patient] PP{P NP[location]}

Examples:
Let's flag down a cab - it's starting to rain.
Flag a police officer if you can.
The officers flagged the airplane into the hanger.
Passengers flagged a following train to stop.

Mappings:
VerbNet: NP
FrameNet: NP
PropBank: flag.01,flag.02
WordNet 3.0 Sense Numbers: 1
WordNet Verb Particle Constructions, Multiword Expressions:
flag_down 1

Sense Number 2: Mark as important or relevant with a flag or as if with a flag.

Commentary: Syntax Is: NP1[agent] FLAG NP2[patient]

Examples:
Flag that file for future reference.
She flagged the suspicious files.
The IRS frequently flags high-earners for review.

Mappings:
VerbNet: NP
FrameNet: NP
PropBank: NM
WordNet 3.0 Sense Numbers: 2

Sense Number 3: Droop, sink, or settle from or as if from pressure or loss of tautness; become less intense.

Commentary:
NOTE: Thing flagging must be [abstract].

Examples:
The market flagged early Thursday.
Our enthusiasm for the course slowly flagged.
The run flagged toward the end of the race, falling farther and
farther behind the leaders.

Mappings:
VerbNet: NP
FrameNet: NP
PropBank: NM
WordNet 3.0 Sense Numbers: 3, 5

Sense Number 4: Decorate with flags.

Examples:
The building was flagged for the Fourth of July.

Mappings:
VerbNet: NP
FrameNet: NP
PropBank: NM
WordNet 3.0 Sense Numbers: 4