More indepth than Apples included Thesaurus
Apples Mac OS X Dictionary already includes Oxford American Writers Thesaurus with 300,000 synonyms and 10,000 antonyms so casual users probably dont need the Chambers version, but for those wanting a more in-depth expanded thesaurus will find it a worthwhile addition.
A search in Apples built in dictionary/thesaurus:
mist
noun
the mist was clearing: haze, fog, smog, murk, cloud, drizzle.
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A search in Chamber:
mist
noun
haze, fog, vapor, smog, cloud, murk, condensation, film, spray, drizzle, mizzle, dew, steam, veil, dimness
mist over/up
cloud over, become cloudy, become hazy, fog (up), dim, blur, become blurred, steam up, obscure, veil, glaze
Antonyms:
clear
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You can use the Chambers Thesaurus as a stand alone app, but if you have Word Web pro or Oxford Dictionary of English installed they will cross reference each other (useful). I wish WordWeb would integrate Apples dictionary into their products. It is frustrating to have 2 separate dictionary/thesaurus systems you have to flip between. Apples interface is hands down better, but when you are hunting for words WordWebs products have additional functionality that word fans need.
If youre still reading this review - My favorite thesaurus of all time is ThinkMaps Visual Thesaurus. Sadly they dont sell the stand alone Mac version anymore, just a web version (useful for visual creative marketing types).
Riptide360 about Chambers Thesaurus