unique - (from time to time followed by `to') applying to or characterised by or distinguishing anything certain or special or unique; "procedures with distinct application"; "requires certain to the job"; "a selected and in depth account of the incident"

Passengers ought to tell the airline upfront if they have got any special dietary wants. believe that we must always double the law enforcement force and recruit specials. 自 Hansard archive

especially The equipment was specially created for a 격투기 still left-handed operator.