|Origin:||anlic, from an; ONE3|
only2 S1 W1 [only before noun]
used to say that there is one person, thing, or group in a particular situation and no others:
I was the only woman there.
He is our only child.
I was the only one who disagreed.
Cutting costs is the only solution.
She's the only person for this job.
used when you are going to mention a problem or disadvantage:
I could take you. The only thing is Dan might need the car.