WordNet: illegitimate

of marriages and offspring; not recognized as lawful

• also see unauthorised, unauthorized

• also see illegal

• also see invalid

• similar to adulterine

• similar to base, baseborn

• similar to bastardly, misbegot, misbegotten, spurious

• similar to fatherless

• similar to left-handed

• similar to unlawful, wrongful

illegitimate

• (englanti) legitimate (antonym)
• (suomi) avioton (synonyymi)