Meaning : In a manner disapproved or not allowed by custom.
Example :
He acted illegitimately when he increased the rent fourfold.
Synonyms : illegitimately
In a manner acceptable to common custom.
You cannot do this legitimately!.Meaning : In an illegal manner.
Example :
They dumped the waste illegally.
Synonyms : illegally, lawlessly
In a manner acceptable to common custom.
You cannot do this legitimately!.Illicitly meaning in Bengali (Bangla).