- lacking in merit
- unbecoming
- unfit
- unworthy
Similar to indignus
- indignatio – displeasure, indignation
- indignatus – indignant
- internus – deep, inward
- inconcinnus – absurd, awkward, clumsy, laughable, without elegance
- inhumanus – barbarous, cruel, inhuman, savage, uncivil, uncivilized
- intestinus – inner, internal
- dignus – worthy