Of fine quality
Exceptionally good of its kind
Most important, influential, or significant
Preceding all others in time
Not derived from something else
A condition or time of vigor and freshness
To cause to be ready, as for use, consumption, or a special purpose
Stop playing prime time TV.
I think I might get the prime rib.
When a person dies, the prime suspect is always the surviving spouse.
A man in his prime with silvered hair emerged from the darkness.
Nothing had been stolen and after yesterday's encounter with the blue Ford, all agreed they had a line on the prime suspects.