She felt completely ______ nature while hiking in the mountains.
at one with
Trust is a two-way road, not ______.
a one way street
She’s _______; you’ll never meet another person like her.
one in a million
He cleaned the entire house ______.
in one fell swoop
I went out for coffee, and ______—we ended up spending the whole day together.
one thing led to another
Beyoncé is the _____ Queen Bey of pop music.
one and only
This software offers editing, design, and sharing tools ______.
all in one
They claim it’s a ______ jacket, but it didn’t fit me at all.
one size fits all
The team’s motto was “______.”
one for all, and all for one
After his accident, he learned to live ______.
one day at a time
Our project got rejected, so we’re ______.
back to square one
This handmade necklace is unique; it's truly ______.
one of a kind
She’s been loyal to the company ______.
from day one
Don’t be so hard on yourself; ______.
no one’s perfect
“You’re such a troublemaker!” “______!”
it takes one to know one
______ , we’ll find a way to solve this problem.
one way or another
Don’t rush your recovery—just take it _______.
one step at a time
I think you’ve had ______— drink some coffee!
one too many
He’s got a ______—he can only talk about football.
one-track mind
Grandpa jokes that he’s got ______, but he still goes hiking every weekend.
one foot in the grave