SAT TOEFL perspire Definition To sweat, especially as a way for the body to cool down. Example "She began to perspire heavily under the hot sun." Sign in to save SAT PDF — $25 TOEFL PDF — $25 ← perspiration persuade → Study tips featuring "perspire" TOEFL Academic Vocabulary: Study by Topic How Context Clues Save You on the SAT Related words SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal