laugh

1 laugh /ˈlæf/ Brit /ˈlɑːf/ verb
laughs; laughed; laughing
1 laugh
/ˈlæf/ Brit /ˈlɑːf/
verb
laughs; laughed; laughing
Britannica Dictionary definition of LAUGH
1 
[no object] : to show that you are happy or that you think something is funny by smiling and making a sound from your throat
— often + at
2 
[no object]
a  : to think or say that someone or something is foolish and does not deserve serious attention or respect — usually + at
b  : to not be bothered by something — + at
3 
[+ object] : to say (something) in an amused way
4 
[+ object] : to cause (someone) to go, move, etc., by laughing
◊ Someone or something that is laughed out of court or (US) laughed out of town is regarded as very foolish and is not accepted or treated in a serious way.

be laughing

British, informal
: to be in a very good situation with nothing to worry about

don't make me laugh

informal
— used as a response to a statement that you think is very wrong or foolish

have to laugh

◊ If you say you have to laugh about something, you mean that it is amusing in a certain way, even if it is also unpleasant or foolish.

he who laughs last, laughs best

or he laughs best that laughs last
— used to say that even if you are not successful now you still succeed or win in the end

laugh all the way to the bank

: to make a lot of money especially by doing something that other people thought was foolish or amusing

laughing hyena, laughing like a hyena

— see hyena

laugh in someone's face

: to laugh directly at someone in a way that shows disrespect

laugh off

[phrasal verb]
laugh (something) off or laugh off (something)
: to laugh about or make jokes about (something) in order to make people think it is not serious or important

laugh on the other side of your face

— used to say that a situation will change and someone will stop being happy or pleased

laugh up your sleeve

: to be secretly happy about or amused by something (such as someone else's trouble)

— laugher

/ˈlæfɚ/ Brit /ˈlɑːfɚ/ noun, plural laughers [count]
2 laugh /ˈlæf/ Brit /ˈlɑːf/ noun
plural laughs
2 laugh
/ˈlæf/ Brit /ˈlɑːf/
noun
plural laughs
Britannica Dictionary definition of LAUGH
1 
[count] : the act or sound of laughing
2 
informal
a  [count] : something that causes laughter : something funny or foolish
b  [singular] chiefly British : a funny person

a barrel of laughs

— see 1barrel

a laugh a minute

informal
: someone or something that is very funny

for laughs

informal or chiefly British for a laugh
: for amusement

play for laughs

— see 1play

the last laugh

◊ If you have/get the last laugh, you finally succeed or win after people laughed at or doubted you.