The Collaborative International Dictionary
Immeritous
Immeritous \Im*mer"it*ous\, a. [L. immeritus; pref. im- not +
meritus, p. p. of merere, mereri, to deserve.]
Undeserving. [Obs.]
--Milton.
Wiktionary
immeritous
a. (context obsolete English) undeserving