certain

someone of a certain age (humorous)

used to avoid saying that a person, usually a woman, is no longer young but is not yet old. It's a clothes boutique which caters for women of a certain age.

See also: age

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for certain

without any doubt. The only thing Jack could say for certain about Jill was that she was a complete mystery to him.

you bet your (sweet) ass

you bet

of a certain age

who are not young. Adults of a certain age might want to spend a couple of hundred dollars more for a larger monitor that will be much easier on their eyes.

Usage notes: used to avoid saying middle aged or old

See also: age

under certain circumstances

because of particular conditions. Your insurance will pay for that surgery, but only under certain circumstances, for example if it's an emergency.

See also: circumstance