Existing with infinite temporal duration (as opposed to existence outside of time).
Lasting or enduring forever; existing or continuing without end
Continuing indefinitely, or during a long period; perpetual; sometimes used, colloquially, as a strong intensive.
A durable cloth fabric for shoes, etc.
An everlasting flower.
Extremely.
That appears to happen outside of time.
Of or pertaining to the side of the head behind the eyes; external to the temporal bone of the skull.