unique adj.
VERBS be | make sb/sth Its magnificent proportions make this palace unique among the buildings of the world.
ADV. quite, totally, truly The city has an atmosphere which is quite unique. | by no means, far from, hardly Although such a case is rare, it is by no means unique. | almost, virtually | apparently
PREP. to This monkey is unique to the island.
You can also check other dicts: unique (English, 中文解释 ), wordnet sense, Collins Definition