Thesaurus Softwares and Apps

Discover best Thesaurus softwares, apps and websites.

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Reference.com

Reference.com is a comprehensive online platform offering dictionary, thesaurus, and encyclopedia resources. It provides definitions, synonyms, antonyms, and in-depth articles across a wide range of topics, serving as a valuable tool for study, research, and language learning.

Comprehensive dictionary and thesaurus.
Multiple languages
Education & Reference
WordWeb

WordWeb

Free

WordWeb is a comprehensive offline English dictionary and thesaurus for Windows, macOS, iOS, and Android, offering definitions, synonyms, antonyms, and related words instantly from any application.

Comprehensive offline dictionary and thesaurus.
Definitions
Education & Reference
TheSage

TheSage

Free Personal

TheSage is a comprehensive offline English dictionary and thesaurus application for Windows, offering a wide range of lexical information and linguistic tools for word exploration and understanding.

Comprehensive offline dictionary and thesaurus.
Definitions
Education & Reference
Lingoes

Lingoes

Free

Lingoes is a discontinued, portable, freeware translation and dictionary software for Windows. It offers instant translation of text and words across multiple languages via a single-click lookup, integrates with various online dictionaries, and provides tools like a calculator and currency converter.

Instant single-click word lookup and translation.
Extensible by Plugins/Extensions
Education & Reference
Apple Dictionary

Apple Dictionary

Free Personal

Apple Dictionary is a native macOS application providing comprehensive dictionary definitions, synonyms, thesaurus entries, and Wikipedia lookups directly within the operating system. It offers quick access to linguistic resources for various needs.

Seamless integration with macOS for quick lookups.
Definitions
Education & Reference
Dictionary.com

Dictionary.com is a comprehensive online platform offering definitions, synonyms, and other language resources. It serves as a go-to reference for English language queries, providing detailed information and tools to enhance vocabulary and understanding.

Extensive database of words and definitions.
Definitions
Education & Reference
Merriam-Webster

Merriam-Webster is a comprehensive online resource for the English language, offering definitions, synonyms, antonyms, and much more. It includes a vast collection of dictionaries, thesauruses, and educational tools to help users understand and use words effectively.

Highly accurate and reliable definitions.
Online translation
Education & Reference
Artha

Artha

Open Source

Artha is a lightweight and portable thesaurus application based on the WordNet dictionary. It offers instant word lookups through a global hotkey and provides passive desktop notifications for non-intrusive use. With support for features like regular expression searches and a standalone design, Artha is a practical tool for anyone needing quick access to definitions, synonyms, antonyms, and more.

Extremely portable, no installation required.
Portable
Education & Reference Games