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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Sweitzer was nervous because he is scheduled to start a new job first thing Monday. Lori Weisberg, San Diego Union-Tribune, 7 Nov. 2025 Call your money manager first thing in the morning and tell them you don’t want a single one of your dollars funding oil, or gas, or coal. Ayana Elizabeth Johnson, Time, 4 Nov. 2025 Who wants to struggle with a cap first thing in the morning? Elizabeth Weise, USA Today, 4 Nov. 2025 Opening your windows or door, if possible, whether first thing in the morning, while cooking, or even during your after-dinner cleanup, can help wipe out any odors that might be lingering in your space, leaving behind the natural allure of the great outdoors. Patricia Shannon, Southern Living, 2 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 11 Nov. 2025.

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