thesaurus
A dictionary or thesaurus
Typically, a thesaurus will have both synonyms and antonyms that you can look for.
A thesaurus or a dictionary
a thesaurus
Use a thesaurus to find the words "normal" and "conventional."
Roget's Thesaurus Roget's Thesaurus
An almanac
A telephone book.
almanac
almanac
Wiki Answers, a dictionary, or a thesaurus. (thess OH russ)
A history textbook.