SynonymDefinitionAntonym.com - English Synonym Dictionary

A single person or thing

The smallest whole number or a numeral representing this number

Used of a single unit or thing; not two or more

Being a single entity made by combining separate components

(informal) very; used informally as an intensifier

Eminent beyond or above comparison

Indefinite in time or position

Of the same kind or quality

Having the indivisible character of a unit