Withdraw To stop being a participant in a study. How to say: Withdraw Click image to enlarge USE IN A SENTENCE If a participant decides to withdraw from a study, they should discuss with the study team how to do so safely. MORE INFO A participant can decide to withdraw from a study. Or an investigator can withdraw a participant from a study. Reasons for withdrawing should be discussed. WORDS LIKE WITHDRAW discontinue WORDS OPPOSITE TO WITHDRAW OTHER RESOURCES If you know of another resource that could help explain this term, please contact us!