sth

pronoun

1. 1

   An uncertain or unspecified thing; one thing.

   “I have a feeling something good is going to happen today.”

2. 2

   (of someone or something) A quality to a moderate degree.

   “That child is something of a genius.”

3. 3

   (of a person) A talent or quality that is difficult to specify.

   “She has a certain something.”

4. 4

   (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?”