Standby in a sentence as a noun

So, it's not couple of minutes of battery life, but rather _many_ hours of standby life instead.

I won't judge him for it, but I standby my choice of words calling his approach an elitist attitude.

Standby in a sentence as an adjective

We were put on standby and were seriously in danger of not getting a standby flight till late in the evening.

Things like solar and wind have some problems in this, as they can contribute instability to the overall system - if the wind dies, you have to have hot standby power to keep voltage levels up.

Standby definitions

noun

something that can be relied on when needed

noun

an actor able to replace a regular performer when required

See also: understudy

adjective

ready for emergency use; "a standby generator"; "a standby crew"