SAT TOEFL soluble Definition Able to be dissolved in a liquid, especially water. Example "Salt is soluble in water." Sign in to save SAT PDF — $25 TOEFL PDF — $25 ← soloist solution → Study tips featuring "soluble" 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