Constant
Part of speech: adjective
Definition: Unchanged through time or space; permanent. Consistently recurring over time; persistent Steady in purpose, action, feeling, etc.
Part of speech: noun
Definition: That which is permanent or invariable. 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. An identifier that is bound to an invariant value.
Example sentence: I'm very thankful to all my fans for their constant love and support. I am what I am because of their unconditional love.
Ceaseless
Part of speech: adjective
Definition: without an end