We found 2 dictionaries that define the word at the outset:

General (1 matching dictionary)

1. at the outset: Oxford Learner's Dictionaries

Miscellaneous (1 matching dictionary)

2. at the outset: Idioms

▸ Words similar to at the outset ▸ Usage examples for at the outset ▸ Idioms related to at the outset ▸ Wikipedia articles (New!) ▸ Words that often appear near at the outset ▸ Rhymes of at the outset ▸ Invented words related to at the outset