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

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For anglers who head out when the moon rises at 7, the bite should be hot first thing in the morning, then taper off. Steve Waters, Miami Herald, 14 Dec. 2025 Compared to his siblings, Tusche was this tiny, delicate bundle and that smallness was the very first thing that caught my heart. Jack Beresford, MSNBC Newsweek, 9 Dec. 2025 Lemon water hydrates the body and, especially first thing in the morning on an empty stomach, is an effective way to stimulate the metabolism. Ana Morales, Vogue, 26 Nov. 2025 This mix helps stabilize your blood sugar first thing in the morning, which can help stave off that mid-day slump, and keeps you full until lunch. Cheyenne Buckingham, SELF, 21 Nov. 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 23 Dec. 2025.

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