Meaning oflittle green manin English

Noun

1. a small green humanoid alien
2. a supposed UFO occupant
   Synonyms:

   alienextraterrestrialspace beingUFO occupant
   Antonyms:

   humanearthlingterrestrial
3. an unidentifiable soldier (lacking allegiance)
   The little green man marched into the battlefield without any insignia.
   Synonyms:

   unknown soldiernameless soldierfaceless soldierunidentified fighter
   Antonyms:

   identified soldierknown warriorrecognized fighterallegiant trooployal combatant