antipill adjective3 •Preventing or countering the formation of pills on fabric. •Opposing the contraceptive pill.This antipill lobbying technique is epitomized by a July 1964 meeting between the Oral Contraception Committee of the FPFJ and representatives from MHW's Drug Bureau and the drug shingikai. — 1998 •Opposing a poison pill.In fact, the 1997 proposal was a binding bylaw amendment prompted by Fleming's refusal to redeem its poison pill despite a 65 percent antipill vote the previous year. — 2000 formsmore antipill · most antipill