pill pill /ˈpɪl/

noun

1. () Something that resembles a tablet of medicine in shape or size  ( pill )
   something that resembles a tablet of medicine in shape or size
     She took a sleeping pill to help her relax and fall asleep.
   She took a sleeping pill to help her relax and fall asleep.
   
2. () A dose of medicine in the form of a small pellet  ( lozenge , tab , tablet , pill )
   a dose of medicine in the form of a small pellet
    The pill was a small blue tablet to be taken with water
   The pill was a small blue tablet to be taken with water
   
   
3. A contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception  ( anovulant , anovulatory drug , birth control pill , contraceptive pill , oral contraceptive , oral contraceptive pill , pill )
   a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception
    The birth control pill is a hormonal method of contraception that is taken daily
   The birth control pill is a hormonal method of contraception that is taken daily
   
   
4. Something unpleasant or offensive that must be tolerated or endured  ( pill )
   something unpleasant or offensive that must be tolerated or endured
    His competitor's success was a bitter pill to take
   his competitor's success was a bitter pill to take
   
5. A unpleasant or tiresome person  ( pill )
   a unpleasant or tiresome person