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
The star urged anyone starting their fitness journey in the new year to tackle their workout first thing and get it out of the way.
—
Stephanie Nolasco, FOXNews.com, 26 Dec. 2025
Let in Natural Light There's something truly energizing about natural light pouring into your home first thing in the morning.
—Mary Cornetta, Better Homes & Gardens, 23 Dec. 2025
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
See All Example Sentences for first thing
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.
Stephanie Nolasco, FOXNews.com, 26 Dec. 2025
Let in Natural Light There's something truly energizing about natural light pouring into your home first thing in the morning.
—Mary Cornetta, Better Homes & Gardens, 23 Dec. 2025
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
See All Example Sentences for first thing
Cite this Entry
“First thing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first%20thing. Accessed 1 Jan. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share