adjective
nicer; -est
giving pleasure or joy :good and enjoyable
attractive or of good quality
kind, polite, and friendly
acting in a way that is correct according to social or moral rules :proper and well-behaved
done very well
formal :involving a small difference :difficult to notice or recognize
make nice
US informal :to behave in a polite or friendly way toward other people even though you do not have kind or polite feelings towards them
nice and easy
informal :in a way that is slow, careful, gentle, or easy
US