1. What does MST stand for?

Mountain Standard Time

A time keeping acronym that refers to the Mountain time zone in the U.S. during fall and winter; mostly made up of the Rocky Mountains; ahead of the Pacific Time Zone by 1 hour, behind the Central Time Zone by 1 hour, and behind the Eastern Time Zone by 2 hours.


"If the show airs at 7 MST, when does it air on the west coast?"

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Last Updated: December 10, 2014

2. What does MST stand for?

Must see today

A quick way of saying, "You've gotta see this today," as with something that can't wait until tomorrow; sometimes used to refer to movies or items for sale in classifieds or advertisements.


"The film critics reviews say it's a MST movie."

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Last Updated: January 2, 2014

MST definition

This page explains what the acronym "MST" means. The various definitions, examples, and related terms listed above have been written and compiled by the Slangit team.

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