unbeaten (adj.)

• callow
• dewy
• evergreen
• extra
• firsthand
• fledgling
• fresh
• green
• immature
• intact
• maiden
• maidenly
• mint
• new
• original
• pristine
• raw
• saved
• spare
• suspended
• unbowed
• unconquered
• unconsumed
• undefeated
• undeveloped
• unemployed
• unexpended
• unfledged
• unspent
• unsubdued
• untapped
• untouched
• untried
• untrodden
• unused
• unvanquished
• vernal
• virgin
• virginal
• young