FIRST definition: 1. (a person or thing) coming before all others in order, time, amount, quality, or importance: 2…. Learn more.

Jun 21, 2026 · The meaning of FIRST is preceding all others in time, order, or importance. How to use first in a sentence.

first /fɜrst/ adj. being before all others with respect to time, order, rank, importance, etc.: I was the first guest to arrive. Automotive low (def. 18):[before a noun] When we put the car in first gear it stalls. …

Jun 14, 2026 · AI-first airman first class at first at first bluff at first blush at first glance at first hand at first sight at the first at the first brunt blink first book of first entry breadth-first search cast the first stone …

19 meanings: 1. a. coming before all others; earliest, best, or foremost b. (as noun) 2. preceding all others in numbering or.... Click for more definitions.

FIRST definition: being before all others with respect to time, order, rank, importance, etc., used as the ordinal number of one: the first edition; the first vice president. See examples of first used in a sentence.

19 senses: 1. a. coming before all others; earliest, best, or foremost b. (as noun) 2. preceding all others in numbering or.... Click for more definitions.

First is number one, prior to, or before. First comes first, then comes everything else. It's always good to be first in line or in first class. Who wants to be second? Or worse — last?

FIRST is the premier organization and recognized global leader in incident response. Membership in FIRST enables incident response teams to more effectively respond to security incidents - reactive …

From Longman Dictionary of Contemporary English first1 /fɜːst $ fɜːrst/ S1 W1 adjective 1 in a series coming before all the other things or people in a series Ella was his first girlfriend. the first …