first thing

idiom

: before anything else : right away : very early
I'll be back first thing (on) Monday morning.
She promised to call first thing in the morning.

Examples of first thing in a Sentence

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First Thing Could Impact Stress Levels According to 2024 research, over 60% of Americans reach for their coffee maker first thing in the morning. Erin Hooker, Better Homes & Gardens, 26 Mar. 2025 Generally, to diagnose a problem, doctors want patients to check their cortisol levels late at night (between 11 p.m. and midnight) and first thing in the morning between 6 a.m. and 8 a.m. Fiorella Valdesolo, TIME, 12 Mar. 2025 Louisiana Attorney General Liz Murrill said in a statement that her office filed an appeal with the 5th U.S. Circuit Court of Appeals first thing on Wednesday and expressed confidence that the execution will move forward. Amanda Lee Myers, USA TODAY, 12 Mar. 2025 If this were to happen in reality, the very first thing is that every single government, every single big business would invent an alternative. Jake Kring-Schreifels, TIME, 5 Mar. 2025 See All Example Sentences for first thing

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“First thing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first%20thing. Accessed 3 Apr. 2025.

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