TemaTres Alternatives

One-click lookup in any almost any Windows program; Hundreds of thousands of definitions and synonyms; The latest international English words; Works offline, or reference to Wikipedia and web references.

Artha is a handy thesaurus based on WordNet with distinct features like global hotkey look-up...

ABcard - service allows you to issue an unlimited number of cards to pay for advertising accounts. 3 unique BINs for any work tasks, management of a team of media buyers inside a personal account and complete anonymity when paying for traffic.

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WordNet® is a large lexical database of English.

VerbAce-Pro is an easy-to-use Desktop Translation Software. Translate in a mouse click

Power Thesaurus is a fast, comprehensive and easy-to-follow online thesaurus for writers...

30,000 root words, 2.5 million synonyms andrelated words

crowdsourced thesaurus

The program has the following features: Use of WebKit for an accurate articles' representation, complete with all formatting, colors, images and links.

Open Source

The Top Words Like website is a great resource for finding synonyms for any given word.

Dictionary.com is the world’s leading digital dictionary. We provide millions of English definitions, spellings, audio pronunciations, example sentences, and word origins.

No other dictionary matches M-W's accuracy and scholarship in defining word meanings. Our pronunciation help, synonyms, usage and grammar tips set the standard.

Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.

The Google Docs thesaurus add-on that doesn't suck.