chaffer (v)
chat (v)
chatter (v)
chew the fat (v)
chit-chat (v)
chitchat (v)
claver (v)
confab (v)
confabulate (v)
gossip (v)
jaw (v)
natter (v)
shoot the breeze (v)
visit (v)

Definition: talk socially without exchanging too much information
Example: the men were sitting in the cafe and shooting the breeze.

speak (v)
talk (v)

Definition: exchange thoughts
Example: We often talk business. Actions talk louder than words.

blab (v)
blabber (v)
chatter (v)
clack (v)
gabble (v)
gibber (v)
maunder (v)
palaver (v)
piffle (v)
prate (v)
prattle (v)
tattle (v)
tittle-tattle (v)
twaddle (v)

Definition: speak (about unimportant matters) rapidly and incessantly

talk (v)
lecture (v)

Definition: deliver a lecture or talk
Example: She will talk at Rutgers next week. Did you ever lecture at Harvard?.

crack (v)

Definition: reduce (petroleum) to a simpler compound by cracking

shoot one's mouth off (v)
lip off (v)

Definition: speak spontaneously and without restraint
Example: She always shoots her mouth off and says things she later regrets.

mouth (v)
speak (v)
talk (v)
utter (v)
verbalise (v)
verbalize (v)

Definition: express in speech
Example: She talks a lot of nonsense. This depressed patient does not verbalize.

jabber (v)
mouth off (v)
rabbit on (v)
rant (v)
rave (v)
spout (v)

Definition: talk in a noisy, excited, or declamatory manner