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

Pulling a rich double shot of espresso first thing in the morning has become my essential ritual to waking up. —Scott Kramer, Forbes.com, 1 May 2025

Martha Stewart and Tory Burch know how to draw a crowd — even first thing in the morning. —James Manso, Footwear News, 1 May 2025

Whether the urge strikes, say, first thing in the morning, after dinner, or both, that’s your only window. —Jenna Ryu, SELF, 30 Apr. 2025

When is the best time to do a wheatgrass shot? To introduce wheatgrass shots into a daily routine for maximum benefit, the best time to take them is on an empty stomach, either first thing in the morning or 30 minutes before meals—this optimizes absorption. —Anna Cafolla, Vogue, 3 Apr. 2025

Rhymes for first thing

• bowstring
• coiling
• downswing
• drawstring
• forewing
• hamstring
• lapwing
• mainspring
• offspring
• plaything
• shoestring
• texting