dɪˈtæt͡ʃmənt ˈəʊnəˌnɪzəm ˈoʊnəˌnɪzəm səˈsɛʃən wɪðˈdɹɔː(ə)l the act of withdrawing the withdrawal of French troops from Vietnam the termination of drug taking formal separation from an alliance or federation a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation the act of ceasing to participate in an activity the act of taking out money or other capital the act of withdrawing blood, tumors, etc. the nurse was expert at the withdrawal of blood a retraction of a previously held position avoiding emotional involvement