Definitions
1.nounA thing without a like; something unequalled or unparallelled.
2.adjectiveBeing the only one of its kind; unequaled, unparalleled or unmatched."Every person has a unique life, therefore every person has a unique journey. ― Gary Cook"
3.adjectiveOf a feature, such that only one holder has it.
4.adjectiveParticular, characteristic.
5.adjectiveOf a rare quality, unusual.