In-văl'ū-a-ble1, a.
a. [Prefix in, used intensively, and valuable.] Dear beyond any assignable value; precious above estimation; so valuable that the worth can not be estimated; inestimable.
2 entries under this word
Invaluable
Un-vāl'ū-a-ble2, a.
a. Invaluable. [Obs.]