Based on the latest edition of the WordNet's lexical database and combined with the universal lookup feature of BEIKS Dictionary Reader, this 55,000 entries, 2 MB file makes it just the right companion for eBook readers, students or even gamers.

The BEIKS English Thesaurus Dictionary is a compact and handy helper to the hungry and always improving minds.
Hundreds of thousands mobile users across all major mobile platforms are enjoying it since 1999.

English Thesaurus dictionary features:

Based on latest edition of WordNet's lexical database
55,000 words in 2 MB (make sure you have enough space before installing!)
Expandable with the huge selection of other BEIKS Dictionary Reader compatible dictionaries.
Download availability online
For faster download, the downloadable demo lexicon contains only words starting with A, B and C, but should give good idea on the quality of the dictionary.
Free software updates*

BEIKS Dictionary Reader features:

Specialized for reference content (dictionaries), resulting in simplified interface and improved speed
Available on other mobile platforms (Windows CE / Pocket PC, Linux / Sharp Zaurus)
Tested on the whole family of Palm OS® devices, up to and including Palm OS 5.x (CLIE NX/NZ/UX series, Palm Tungsten T2, T3 series, Treo 600)
Hundreds of language, specialized and entertainment dictionaries and phrasebooks, including free ones; if you can't find your dictionary let us know!
Dictionary browsing with dynamic word positioning
True support for MMC, SD, MS external media cards through VFS
Adjustable font sizes
Horizontal / Vertical views
Smart view
Most recently words list
Word of the day
Rich documentation

Please note: BEIKS Dictionary Reader Pro is a standalone product. All lexicons developed and distributed by BEIKS are separate products. It is important to know that all lexicons can be also used with the light version of the reader and therefore you are not reqired to purchase BEIKS Dictionary Reader Pro, unless you want the additional features it offers.

Instant lookup from within any other application
Extendable with custom articles
Standard travel phrasebooks
Reasonable price

Most popular BEIKS dictionaries:

English dictionaries

English Dictionary Pro
English Dictionary Gold
English Heritage Bundle

Spanish dictionaries

English<->Spanish
Spanish Synonyms
Monolingual Spanish

German dictionaries

English<->German
German<->Spanish
German<->French