Antonyms of a given word

Returns antonyms for a given word using the words API from bighugelabs

diffword(word, key = NULL)

Arguments

word	Word from which antonyms should be found.
key	User API key as assigned from bighugelabs. The default, NULL, looks for a BIGHUGELABS_KEY environment variable, which it sets automatically for you after specifying the key once per machine.

Value

A list of antonyms for the word across different parts of speech (if applicable)