lone

/loʊn/
adjective
  1. Being the only one; solitary.
    • The lone survivor of the shipwreck was rescued after three days.
    • She was the lone passenger on the late-night bus.
    • A lone tree stood in the middle of the field.
  2. Without companions; solitary in feeling or situation.
    • The lone hiker enjoyed the peace of the mountain trail.
    • He felt lone in the crowded city, missing his family.
    • Being a lone parent can be challenging but rewarding.
  3. Single; not part of a pair or group.
    • The detective found a lone fingerprint on the glass.
    • A lone sock lay under the bed, its mate nowhere to be found.
    • She wore a lone earring as a fashion statement.