adjective - working secretly, especially as a police officer trying to get information without people knowing who you really are
noun - the place where a crime happened and where the police look for clues and evidence
noun - a male reproductive cell that can join with a female egg to create a new life
noun - an animal or human in the early stages of development before birth, especially before all the main body parts are formed
noun - an organ that develops in the uterus during pregnancy to provide oxygen and nutrients to the developing baby and remove waste products from the baby's blood
adjective - not allowed or not suitable to do something or receive something, especially by law or by rules
noun - a large, strong bag, often with two handles, used for carrying things
noun - a large, strong bag, often with two handles, used for carrying things
adjective - showing an attitude of being superior to others
adjective, formal - (of buildings, mountains, etc.) very tall or high and impressive
adjective, formal - (of ideas, goals, attitudes) showing high standards, noble, or admirable