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GRE vocabulary

flag

verbHigh-frequency wordMore F words

to lose energy, enthusiasm, or strength

In a sentence

Flag in a sentence

Here are example sentences showing flag in a sentence.

As the hours wore on, the volunteers' enthusiasm began to flag.

Enthusiasm for the reform began to flag once volunteers realized how many years the project would take.

Synonyms
weakenwanediminish
Antonyms
intensifystrengthenrevive
Usage & nuance

Using “flag” well

As a verb meaning to lose vigor, flag is intransitive and applies to energy, interest, or strength rather than physical objects. Do not confuse it with the unrelated noun (a banner) or the verb meaning to mark for attention.

Common questions

Questions about “flag

Flag (verb) means to lose energy, enthusiasm, or strength
Here is flag used in an example sentence: "As the hours wore on, the volunteers' enthusiasm began to flag." Another example: "Enthusiasm for the reform began to flag once volunteers realized how many years the project would take."
Common synonyms for flag include weaken, wane, diminish.
Antonyms of flag include intensify, strengthen, revive.
Clusters with weaken, wane, and diminish in Sentence Equivalence, with antonyms intensify, strengthen, and revive. The trap is the everyday senses of flag, since the GRE tests the figurative meaning of waning energy.
Yes. Flag is a high-frequency GRE word, so it is worth prioritising as you build your vocabulary.

Learn words the way the GRE tests them.

Vocabulary sticks when you meet it in real sentences. Practise these words inside text completion and sentence equivalence questions.