(adj): vs. ordinary) -- (beyond what is ordinary or usual; highly unusual or exceptional or remarkable
(adj): beyond or deviating from the usual or expected
(adj): vs. familiar), unusual -- (being definitely out of the ordinary and unexpected; slightly odd or even a bit weird
(adj): being a single and separate person or thing
(adj): vs. common), single -- (being or characteristic of a single thing or person
(adj): vs. plural) -- (composed of one member, set, or kind
(adj): vs. plural) -- (grammatical number category referring to a single item or unit
(adj): the single one of its kind
(adj): vs. multiple) -- (existing alone or consisting of one entity or part or aspect or individual
(n): the form of a word that is used to denote a singleton
(n): the phonological or orthographic sound or appearance of a word that can be used to describe or identify something