An uncertain or unspecified thing; one thing.
I have a feeling something good is going to happen today.
(of someone or something) A quality to a moderate degree.
That child is something of a genius.
(of a person) A talent or quality that is difficult to specify.
She has a certain something.
(often with really or quite) Somebody who or something that is superlative or notable in some way.
- Some marmosets are less than six inches tall. - Well, isn't that something?