not honorable in character or purpose

ig·no·ble
Dictionary result for ignoble
/iɡˈnōbəl/
adjective
adjective: ignoble; comparative adjective: ignobler; superlative adjective: ignoblest

1.
not honorable in character or purpose.
"ignoble feelings of intense jealousy"
synonyms: dishonorable, unworthy, base, shameful, contemptible, despicable, shabby, abject, low, sordid, degraded, corrupt, mean, wrong; More
improper, unprincipled, unchivalrous, uncharitable, discreditable, blameworthy, reprehensible
"the war is being fought over an ignoble cause"
antonyms: noble
2.
of humble origin or social status.