In a sentence
His perfidious betrayal of his allies cost them the campaign.
Synonyms
Antonyms
loyalfaithfultrustworthy
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See all More GRE words starting with P
pacify
to calm or soothe someone who is angry or agitated
paean
a song or expression of joyful praise or triumph
painstaking
done with careful and thorough effort
palatable
agreeable to the taste or acceptable to the mind
palatial
resembling a palace in size or grandeur
palingenesis
rebirth, regeneration, or renewal into a new existence
palliate
to ease the severity of something without curing it
pallid
pale or lacking vitality and color
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.