God is good all the time and all the time , God is good is like the religious version for I say hey , you say ho <| sep |> He got old . That happens when skin loses elasticity . <| sep |> More specifically it is called contronym a word having two meanings that contradict one another Sometimes , just to heighten the confusion , the same word ends up with contradictory meanings . This kind of word is called a contronym . Sanction , for instance , can either signify permission to do something or a measure forbidding it to be done . Cleave can mean cut in half or stick together . A sanguine person is either hotheaded and bloodthirsty or calm and cheerful . Something that is fast is either stuck firmly or moving quickly . Bill Bryson , The Mother Tongue , 1990 called also antagonym , autoantonym , Janus wordwebster . comdictionarycontronymBut I don ' t care . Dictionaries are the enemy here . I am radical with how I use words .