Thesaurus.com or PowerThesaurus.org work really well.
A good website for synonyms and antonyms would be www.synonym.comOr you can type www.antonym.comOr you can type www.definition.com
thesaurus.com
go on www.synonym.com 4 synonyms & antonyms
antonyms
The word, Barbecue, has no antonyms.
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There's always synonym.com
To find antonyms and synonyms of words use a thesaurus. There are many online. In addition most good word processing programs have them built in. Lots of dictionaries also provide them.
not to be good
good
good
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