verb
To communicate, usually by means of speech.
Let's sit down and talk.
Although I don't speak Chinese, I managed to talk with the villagers using signs and gestures.
To discuss; to talk about.
They sat down to talk business.
That's enough about work, let's talk holidays!
To speak (a certain language).
We talk French sometimes.
Used to emphasise the importance, size, complexity etc. of the thing mentioned.
Are you interested in the job? They're talking big money.
We're not talking rocket science here: it should be easy.
To confess, especially implicating others.
Suppose he talks?
She can be relied upon not to talk.
noun
A conversation or discussion; usually serious, but informal.
We need to have a talk about your homework.
All this was extraordinarily distasteful to Churchill.[…]Never before had he felt such repulsion when the vicar displayed his characteristic bluntness or coarseness of speech. In the present connection—or rather as a transition from the subject that started their conversation—such talk had been distressingly out of place.
A lecture.
There is a talk on Shakespeare tonight.
Gossip; rumour.
There's been talk lately about the two of them.
A major topic of social discussion.
She is the talk of the day.
The musical is the talk of the town.
A customary conversation by parent(s) or guardian(s) with their (often teenage) child about a reality of life; in particular:
Have you had the talk with Jay yet? I found a condom in his room.