¹ laugh verb

• to show that you are happy or that you think something is funny by smiling and making a sound from your throat —often + at
• to think or say that someone or something is foolish and does not deserve serious attention or respect—usually + at
• to not be bothered by something—+ at

² laugh noun

• the act or sound of laughing
• something that causes laughter : something funny or foolish
• a funny person