Meaning of SINGULAR in English
The ~ form of a word is the form that is used when referring to one person or thing.
...the fifteen case endings of the ~ form of the Finnish noun...
The word ‘you’ can be ~ or plural.
The ~ of a noun is the form of it that is used to refer to one person or thing.
The ~ of Inuit is Inuk.
N-SING: the N
Singular means very great and remarkable. (FORMAL)
...a smile of ~ sweetness...
ADJ: ADJ n
It seemed a ~ly ill-judged enterprise for Truman to undertake.
ADV: ADV adj/adv
If you describe someone or something as ~, you mean that they are strange or unusual. (OLD-FASHIONED)
Cardinal Meschia was without doubt a ~ character...
Where he got that ~ notion I just can’t think.
ADJ: usu ADJ n
...his abrupt, turbulent style and the ~ity of his appearance.
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012