first thing

phrase

: 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

However, many people naturally get the urge to go first thing because their bodies follow a 24-hour internal clock known as the circadian rhythm. — Abby Norman, Verywell Health, 2 Nov. 2026

And for those who don’t mind a little dose of lactose first thing in the morning, the queso added a creamy, cheesy finish. — Evan Moore, Charlotte Observer, 24 Oct. 2026

Cold air, wind and even sleep can dry the eyes further, which is why some women notice blurry eyes first thing in the morning. — Samantha Agate, Sacbee.com, 21 Oct. 2026

For people having trouble getting up at the same time every day, Walia suggests getting more natural sunlight first thing in the morning. — Sarah Klein, Washington Post, 17 Oct. 2026

Rhymes for first thing

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