Singularly

adjective
1.
extraordinary; remarkable; exceptional:
a singular success.
2.
unusual or strange; odd; different:
singular behavior.
3.
being the only one of its kind; distinctive; unique:
a singular example.
4.
separate; individual.
5.
Grammar. noting or pertaining to a member of the category of number found in many languages that indicates that a word form has one referent or denotes one person, place, thing, or instance, as English boy and thing, which are singular nouns, or goes, a singular form of the verb go.
Compare dual (def 4), plural (def 4).
6.
Logic.

of or relating to something individual, specific, or not general.
(of a proposition) containing no quantifiers, as “Socrates was mortal.”.

7.
Mathematics.

of or relating to a linear transformation from a vector space to itself that is not one-to-one.
of or relating to a matrix having a determinant equal to zero.

8.
Obsolete. private.
9.
Obsolete. single.
noun, Grammar.
10.
the singular number.
11.
a form in the singular.
adjective
1.
remarkable; exceptional; extraordinary: a singular feat
2.
unusual; odd: a singular character
3.
unique
4.
denoting a word or an inflected form of a word indicating that not more than one referent is being referred to or described
5.
(logic) of or referring to a specific thing or person as opposed to something general
noun
6.
(grammar)

the singular number
a singular form of a word

singular definition

In nouns, pronouns, and verbs, the grammatical form that refers to only one thing. In the following sentence, the singular words are italicized: “The police officer stops anyone who crosses before the light changes.” (Compare plural; see agreement.)