WhatsThatSign

This ASL dictionary offers sign or word searches, with options for alternate spellings and an interface for finding signs.

whatsthatsign.com
WhatsThatSign homepage screenshot

About WhatsThatSign

WhatsThatSign is an ASL dictionary that supports English word search and sign-to-word search. For English search, users type the word. For sign search, users click symbols for handshapes, locations, movements, contacts, and facial or body movements to build a query in SignSpelling order, with Basic and Advanced Search, group-level search, palm-facing and rotation refinements, and an option to exclude alternate spellings.

The interface relies on additional fonts, which may appear as boxes until the fonts load, and loading time can vary by browser speed.

Key features

  • Search ASL signs by typing an English word
  • Search signs by handshape, location, and movement
  • Click symbols to fill search box with codes
  • Search a whole feature group via group title
  • Refine searches by palm facing and rotation
  • Option to exclude alternate spellings
Best for: People who want to look up ASL signs by English word or by sign features.
Good for
  • Provides both English word and sign-feature search paths
  • Supports group-level search and palm-facing and rotation refinements
Watch out for
  • Requires additional fonts and may show boxes until they load
  • Loading time can vary depending on browser speed

WhatsThatSign at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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WhatsThatSign FAQ

How do I search using an English word?
Type the word you are looking for in the English search.
How does sign-to-word search work?
Click symbols for handshapes, locations, and movements to fill the search box with codes in SignSpelling order.
Why do I see boxes instead of symbols?
The page uses additional fonts. Boxes mean the font is not installed or cached, and loading may take time depending on browser speed.
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