Noun

• S: (n) flag (emblem usually consisting of a rectangular piece of cloth of distinctive design)
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• S: (n) masthead, flag (a listing printed in all issues of a newspaper or magazine (usually on the editorial page) that gives the name of the publication and the names of the editorial staff, etc.)
• S: (n) iris, flag, fleur-de-lis, sword lily (plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals)
• direct hyponym / full hyponym
• member holonym
• direct hypernym / inherited hypernym / sister term
• S: (n) flag, signal flag (a rectangular piece of fabric used as a signalling device)
• S: (n) pin, flag (flagpole used to mark the position of the hole on a golf green)
• direct hypernym / inherited hypernym / sister term
• S: (n) flag, flagstone (stratified stone that splits into pieces suitable as paving stones)
• direct hypernym / inherited hypernym / sister term
• S: (n) flag (a conspicuously marked or shaped tail)

Verb

• S: (v) flag (communicate or signal with a flag)
• S: (v) flag (provide with a flag) "Flag this file so that I can recognize it immediately"
• S: (v) sag, droop, swag, flag (droop, sink, or settle from or as if from pressure or loss of tautness)
• S: (v) flag (decorate with flags) "the building was flagged for the holiday"
• S: (v) ease up, ease off, slacken off, flag (become less intense)