girl Fridayˌgirl ˈFriday noun [countable] British English old-fashioned 
a girl or woman worker who does several different jobs in an office
a girl or woman worker who does several different jobs in an office- undercover
- undercurrent
- undercut
- underdeveloped
- underdevelopment
- underdog
- underdone
- underdressed
- underemployed
- underestimate
- underexpose
- underexposed
- underfed
- underfelt
- underfloor heating
- underfoot
- underfunded
- underfunding
- undergarment
- undergo
- undergraduate
- underground
- Underground Railroad
- undergrowth
- underhand