If you describe something as ignoble, you mean that it is bad and something to be ashamed of.
Translation English Cobuild Collins Dictionary
1 abject, base, contemptible, craven, dastardly, degenerate, degraded, despicable, disgraceful, dishonourable, heinous, infamous, low, mean, petty, shabby, shameless, unworthy, vile, wretched
2 baseborn (archaic) common, humble, lowborn (rare) lowly, mean, of humble birth, peasant, plebeian, vulgar
English Collins Dictionary - English synonyms & Thesaurus
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