before

At an earlier time.

“I've never done this before.”

In advance.

At the front end.

Earlier than (in time).

“I want this done before Monday.”

In front of in space.

“He stood before me.”

In the presence of.

“He performed before the troops in North Africa.”

Under consideration, judgment, authority of (someone).

“The case laid before the panel aroused nothing but ridicule.”

In store for, in the future of (someone).

In front of, according to a formal system of ordering items.

“In alphabetical order, "cat" comes before "dog", "canine" before feline".”

At a higher or greater position than, in a ranking.

“An entrepreneur puts market share and profit before quality, an amateur intrinsic qualities before economical considerations.”

In advance of the time when.

Rather or sooner than.

“I'll die before I'll tell you anything about it.”