adj. & n.
--adj.
1. unique; much beyond the average; extraordinary.
2 eccentric or strange.
3 Gram. (of a word or form) denoting or referring to a single person or thing.
4 Math. possessing unique properties.
5 single, individual.
--n. Gram.
1. a singular word or form.
2 the singular number.
Derivatives:
singularly adv.
Etymology: ME f. OF singuler f. L singularis (as SINGLE)