Letters that make either
e, h, r, t, i are letters that make 'either'
neither is a word created by adding a letter to 'either'
1 possible definitions for 'either'
Under this definition, either is an adjective and has the following properties:
"he isn't stupid, but he isn't exactly a genius either", "I don't know either", "if you don't order dessert I won't either"