Unchanged through time or space; permanent.
Firm; solid; not fluid.
Steady in purpose, action, feeling, etc.
Bounded above by a constant.
Consistently recurring over time; persistent.
A quantity that remains at a fixed value throughout a given discussion.
Any property of an experiment, determined numerically, that does not change under given circumstances.
That which is permanent or invariable.
An identifier that is bound to an invariant value; a fixed value given a name to aid in readability of source code.
existing outside time; as opposed to sempiternal, existing within time but everlastingly
Lasting forever; unending.
Constant; perpetual; ceaseless; ever-present.
One who lives forever; an immortal.