to talk foolishly

gossip

to tell e.g. a secret suddenly and without deciding to

utter suddenly

to make (something) known

reveal, make public

to make known (a secret)

make known; confess

to allow or cause (something) to be seen; to make something known

disclose, tell

to make (something) known (to a person) using words; to give an order to (a person)

communicate

of tell

communicate