talk

nouns

an exchange of ideas via conversation
"let's have more work and less talk around here"
discussion; (`talk about' is a less formal alternative for `discussion of')
"his poetry contains much talk about love and anger"
is a type of (narrower)
an extended communication (often interactive) dealing with some particular topic
"the book contains an excellent discussion of modal logic"; "his treatment of the race question is badly biased"
the act of giving a talk to an audience
"I attended an interesting talk on local history"
is a type of (narrower)
teaching by giving a discourse on some subject (typically to a class)
a speech that is open to the public
"he attended a lecture on telecommunications"
idle gossip or rumor
"there has been talk about you lately"
is derived from

verbs

exchange thoughts; talk with
"We often talk business"; "Actions talk louder than words"
is derived from
is derived from
express in speech
"She talks a lot of nonsense"; "This depressed patient does not verbalize"
is derived from
use language
"the baby talks already"; "the prisoner won't speak"; "they speak a strange dialect"
is derived from
reveal information
"If you don't oblige me, I'll talk!"; "The former employee spilled all the details"
divulge confidential information or secrets
"Be careful--his secretary talks"
is derived from
antonym
deliver a lecture or talk
"She will talk at Rutgers next week"; "Did you ever lecture at Harvard?"
is derived from