chat · verb I /tʃæt/
chat (TALK)
A2 to talk to someone in a friendly and informal way
Dictionary examples:
She spends hours on the phone chatting to her friends.
We were just chatting about what we did last weekend.
Whenever I walk in, I always find the two of them chatting away.
Learner example:
We were eating, drinking and chatting at the party. (Key English Test; A2; Japanese)
chat (COMMUNICATE ONLINE)
A2 to have a conversation with someone who is online at the same time as you are by typing messages
Dictionary example:
We were chatting till well past midnight.
Learner example:
I can surf [the] Internet and chat with some friends. (Key English Test; A2; Italian)
chat sb up or chat up sb
B2 to talk to someone in a way that shows them that you are sexually attracted to them
Dictionary example:
He spends hours in cafés, chatting up the waitresses.
Learner example:
Then he started to chat her up. (First Certificate in English; B2; Chinese)
chat · noun C or U /tʃæt/
chat
A2 a friendly, informal conversation
Dictionary examples:
Give me a call and we'll have a chat sometime.
I had a chat with my boss today about a possible salary increase.
Learner example:
Then we can go to Starbucks Café to have a chat after the film. (Key English Test; A2; Malay)
