LookUp Dictionary
A free offline dictionary for Windows 11, designed for keyboard and screen-reader use.
Download LookUp Dictionary version 1 for Windows 11
First test release. Includes the full dictionary; no extra download, account or subscription is needed. The compressed download is approximately 102 MB; installation uses approximately 410 MB.
Features
- More than 1.35 million searchable English entries from Wiktionary.
- Opens in a blank word box; matching words appear as letters are typed.
- Supports compound words and phrases, including spaces and hyphens.
- Read-only definitions with standard text navigation.
- A Copy definition button.
- Ctrl+Alt+L looks up selected text or a supported text cursor word in another program.
Install
- Download the ZIP.
- Select it in File Explorer, press Shift+F10, and choose Extract All.
- Open the extracted LookUp folder.
- Select Install LookUp.cmd and press Enter.
The installer creates Desktop and Start Menu shortcuts. A small background listener starts when you sign in to make Ctrl+Alt+L available. No administrator rights are required.
Keyboard commands
- Type in the word box to search. Down Arrow opens matching words; Up and Down select; Enter chooses.
- Page Down in the list loads more matches.
- Tab moves from the word box to Definitions, then to Copy definition.
- Use Up and Down to read definition lines; Ctrl+Home returns to the beginning.
- Ctrl+Alt+L starts a lookup from another program. Select the full phrase for a compound lookup.
- Escape hides LookUp and returns to the source program when possible.
- Ctrl+N starts a new blank lookup. F1 opens help. File menu, Exit LookUp closes it completely.
Compatibility
JAWS reading cursors and some programs do not expose the current word through Windows text accessibility. In those cases select the word first, then press Ctrl+Alt+L. If capture fails, type the word into LookUp.
The executable and dictionary searches have been checked. Live Windows 11, JAWS and NVDA testing is still needed for this first release.
Dictionary credits
Definitions adapted from Wiktionary contributors via Kaikki.org, under Creative Commons Attribution-ShareAlike 4.0. Every definition includes source attribution. Dictionary licenses and program source are included in the download.