We found 6 dictionaries that define the word on task:

General (3 matching dictionaries)

1. on-task: Wordnik
2. on task: Wiktionary
3. on-task, on task: Dictionary.com

Business (1 matching dictionary)

4. BuzzWhack (No longer online)

Computing (1 matching dictionary)

5. on task: Netlingo

Miscellaneous (1 matching dictionary)

6. A Brief Critical Dictionary of Education (No longer online)

Phrases: stay on task, focus on a task, take on the task, take on difficult task, item on a task list, more... ▸ Words similar to on task ▸ Usage examples for on task ▸ Idioms related to on task ▸ Wikipedia articles (New!) ▸ Words that often appear near on task ▸ Rhymes of on task ▸ Invented words related to on task