The outset is the beginning.
An example of an outset is the start of a long hike.
The initial stage of something; the beginning: Problems arose at the very outset.
- setout, set out
- Set out from here for Nottingham in 1642 at the outset of the Civil War.
- At the outset, indeed, there was one considerable obstacle to the free intercourse of tutor and pupil: M.
- Dusting with Paris green is, however, an efficient remedy if promptly applied at the outset of the attack.
- Thus the manoeuvre against Vitebsk again miscarried, and Napoleon found himself in a far worse position, numerically and materially, than at the outset of the campaign.
- The philosophic endeavour to cognize the whole system of things by referring all events to their causes appears to him to be from the outset doomed to failure.