first thing

first thing

Very early in the day or as the first thing that is done. We need to talk about this shipping issue first thing tomorrow. Eating first thing in the morning just makes me nauseous. Hey, I have your paycheck, so stop by my office first thing tomorrow.
See also: first, thing
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

first thing (in the morning)

before anything else is done in the morning. Please call me first thing in the morning. I can't help you now. I'll do that first thing.
See also: first, thing
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

first thing

Before anything else; without delay. For example, Tom was supposed to call him first thing in the morning. [Late 1500s] Also see under first and foremost; first off.
See also: first, thing
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

first thing

early in the morning; before anything else.
See also: first, thing
Farlex Partner Idioms Dictionary © Farlex 2017

first ˈthing (tomorrow, in the morning, etc.)

at the beginning of the period of time mentioned, before doing anything else: I always like a cup of tea first thing in the morning.Can you lend me some money? I’ll pay you back first thing tomorrow. OPPOSITE: last thing (at night)
See also: first, thing
Farlex Partner Idioms Dictionary © Farlex 2017

first thing

Informal
Right away; before anything else: Do your assignments first thing in the morning.
See also: first, thing
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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