What does "single out" mean?

To select (someone or something) from a group and highlight them or treat them differently.

What is a synonym for "single out"?

Common synonyms include: choice, choose, cull, discriminate, disjoin, distinguish.

Pronounced //ˌsɪŋ.ɡəl ˈaʊ̯t//.

/ˌsɪŋ.ɡəl ˈaʊ̯t/ verb

verb ·Moderate ·College level

Verb

1
To select (someone or something) from a group and highlight them or treat them differently. idiomatic, transitive
"Eddie singled out his favorite marble from the bag."
2
select from a group wordnet
3
treat differently on the basis of sex or race wordnet

"Eddie singled out his favorite marble from the bag."

From single (“to take alone, or one by one”, intransitive archaic verb) + out. First attested in 1629.