[act up] {v.}, {informal} 1. To behave badly; act rudely or […]

[actions speak louder than words] What you do shows your character […]

[actor] See: [BAD ACTOR].

[ad lib] {v. phr.} To improvise; interpolate during speech. * /When […]

[add fuel to the flame] {v. phr.} To make a bad […]

[add insult to injury] {v. phr.} 1. To hurt someone's feelings […]

[add the finishing touches] {v. phr.} To complete; finish. * /Mary's […]

[add up] {v.} 1. To come to the correct amount. * […]

[add up to] {v.} 1. To make a total of; amount […]

[addition] See: [IN ADDITION].