The children played together nicely.
Meaning: This means that the children were having a good time playing together and were not fighting or arguing.
Choice of Words: Played is a verb that means to take part in a game or activity for enjoyment. Together means in the company of another or others. Nicely is an adverb that means in a good or pleasant way. When you put them together, "The children played together nicely" tells us that the children were enjoying themselves and getting along well.
Alternative Expressions
Related Expressions