for a special service or occasion | (sometimes followed by `to') applying to or characterized by or distinguishing something particular or special or unique |
first and most important | being or affecting a disease produced by a particular microorganism or condition; used also of stains or dyes used in making microscope slides |
adapted to or reserved for a particular purpose | relating to or distinguishing or constituting a taxonomic species |
having a specific function or scope | stated explicitly or in detail |
surpassing what is common or usual or expected | |
added to a regular schedule | |
unique or specific to a person or thing or category | |