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Screenshots

  • SLSL Dictionary screenshot 1
  • SLSL Dictionary screenshot 2
  • SLSL Dictionary screenshot 3
  • SLSL Dictionary screenshot 4

About SLSL Dictionary

SLSL Dictionary is a free video dictionary of Sri Lankan Sign Language (SLSL), the sign language of the Deaf community in Sri Lanka. Search for a word, open it, and watch a video of the sign. • More than 2,300 signs and 475 everyday phrases, with over 4,400 videos • Fingerspelling for the English, Sinhala and Tamil alphabets • Every entry has its English, Sinhala and Tamil words, and the app itself is available in all three languages • Definitions, notes and related signs, plus regional variants such as the signs used in the North East • Slow a video down to follow the handshape and movement • A new sign of the day • Save signs to your own lists, and share a list with classmates or students • Revise with flashcards, sign to word or word to sign, using random or spaced-repetition review • Light and dark themes • Also on the web at app.srilankansignlanguage.org For Deaf and hard of hearing people, their families and friends, teachers, interpreters, and anyone learning Sri Lankan Sign Language. Free, with no ads, no subscriptions and no in-app purchases. Searching and browsing work offline once the dictionary has downloaded; videos stream, and the ones you have watched recently are kept on your device. The sign videos, images and definitions are provided by Nishani Shamila McCluskey and team, and are licensed under Creative Commons BY-NC-ND 4.0. New and updated entries reach the app automatically.

What’s new

Version 2.1.25 · Updated October 23, 2026

Assorted improvements and bug fixes.

App privacy

The developer, Daniel Porteous, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Contact Info: Name
  • Identifiers: User ID

Used for: App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Usage Data: Product Interaction
  • Diagnostics: Other Diagnostic Data

Used for: Analytics

Alternatives to SLSL Dictionary

Looking for apps like SLSL Dictionary? Here are 6 similar apps on the App Store. The highest rated is SASL DEAFinition (5.0/5), and all 6 are free to download.

SLSL Dictionary vs. alternatives
App Rating Price Last updated Compare
SLSL Dictionary 5.0 / 5 (2 ratings) Free October 23, 2026
SASL DEAFinition 5.0 / 5 (2) Free Sep 4, 2025 Compare
International Sign Language 5.0 / 5 (2) Free Feb 12, 2025 Compare
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App LSQ 5.0 / 5 (1) Free Mar 24, 2024 Compare
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ASL American Sign Language 4.5 / 5 (3,048) Free Jun 1, 2026 Compare

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