sing.

(in prescriptions) Abbreviation of singulorum.

Being only one of a larger population.

“A singular experiment cannot be regarded as scientific proof of the existence of a phenomenon.”

Being the only one of the kind; unique.

“She has a singular personality.”

Distinguished by superiority: peerless, unmatched, eminent, exceptional, extraordinary.

“a man of singular gravity or attainments”

Out of the ordinary; curious.

“It was very singular; I don't know why he did it.”

(grammar) Referring to only one thing or person.

(of matrix) Having no inverse.

(of transformation) Having the property that the matrix of coefficients of the new variables has a determinant equal to zero.

(of a cardinal number) Not equal to its own cofinality.

Each; individual.

“to convey several parcels of land, all and singular”

Engaged in by only one on a side; single.