UNHYPHENATED

To remove or displace a hyphen from.

"The dictionary chose to unhyphenate "cry-baby", and listed it as "crybaby"."

Lacking a hyphen.

"The word cooperation is unhyphenated, though some also spell it as co-operation."

Of people, belonging to a single ethnicity or nationality: names for multi-ethnic/multi-nationality groups generally require a hyphen to connect the names being combined.