laughlaugh1 /læf/ ●●● verb 1[intransitive] to make a sound with your voice, usually while smiling, because you think something is funny: How come no one ever laughs at my jokes? The story made me laugh so hard I started crying. Nancy and I burst out laughing (=suddenly started laughing).THESAURUSgiggle – to laugh quickly in a high voice, especially because you think something is very funny or because you are nervous or embarrassedchuckle – to laugh quietlycackle – to laugh in an unpleasant loud waysnicker – to laugh quietly in an unkind waytitter – to laugh quietly, especially in a nervous wayguffaw – to laugh loudly2no laughing matter something serious that should not be joked about [Origin: Old English hliehhan]laugh at phrasal verb to make unkind or funny remarks about someone: If I told them my real feelings, they would just laugh at me.laugh off phrasal verb to joke about something in order to pretend that it is not very serious or important: She laughed off their insults.