Emily Dickinson Lexicon

SIN'GU-LAR, a. [Fr. singulier; L. singularis, from singulus, single.]

1. Single; not complex or compound. That idea which represents one determinate thing, is called a singular idea, whether simple, complex or compound. – Watts.
2. In grammar, expressing one person or thing; as, the singular number. The singular number stands opposed to dual and plural.
3. Particular; existing by itself; unexampled; as, a singular phenomenon. Your case is hard, but not singular.
4. Remarkable; eminent; unusual; rare; as, a man of singular gravity, or singular attainments.
5. Not common; odd; implying something censurable or not approved. His zeal / None seconded, as singular and rash. – Milton.
6. Being alone; that of which there is but one. These busts of the emperors and empresses are scarce, and some of them almost singular in their kind. – Addison.