Noah Webster
Constant
CONSTANT, adjective [Latin]
1. Fixed; firm; opposed to fluid.
To turn two fluid liquors into a constant body.
[In this sense, not used.]
2. Fixed; not varied; unchanged; permanent; immutable.
The worlds a scene of changes, and to be constant in nature were inconstancy.
3. Fixed or firm in mind, purpose, affection or principle; unshaken; unmoved; as a constant friend or lover.
4. Certain; steady; firmly adherent; with to; as a man constant to his purpose, or to his duties.