voc-, voca-, vocab-, vocat-, -vocation, -vocative, -vocable, vok-, -voke +

A word once spoken can never be recalled.

From Horace. Another interpretation: "Think twice before you speak."

I was stupefied, and my hair stood on end, and my voice stuck to my throat.

A description of the physical effects of fear, from Virgil's Aeneid; with an equivalent meaning of, "I was scared stiff."

1. Someone who provokes trouble, causes dissension, or is an agitator.
2. A person employed to associate with suspected individuals or groups and by pretending sympathy with their aims incites them to commit incriminating acts that will make them liable for punishment.
3. Etymology: a shortened form of agent provocateur, "a person hired to make trouble"; from French, provocateur which came from from Latin provocator, "challenger"; from provocare, "to call forth, to challenge"; from pro-, "forth" + vocare, "to call".

"A U.S. provocateur's road to handcuffs"

1. Unfriendly behavior that causes anger or resentment.
2. Something that incites someone to attack somebody else.
3. Etymology: from Old French provocation (12th century), from Latin provocationem, provocatio, "a calling forth, a challenge"; from provocatus, past particple of provocare, "to provoke"; that is, "to call forth, to challenge"; from pro-, "forth" + vocare, "to call".

Serving or tending to provoke; that is, to excite, or to stimulate; such as, stimulating discussion or exciting controversy.

In a provocative manner; or characterized by excitement, or stimulation.

The quality of being provocative or being stimulating or exciting.

That which can be provoked.

1. To make someone feel angry or indignant.
2. To be the cause, or occasion, of an emotion or response: "His reaction to his wife's death provoked a lot of sympathy."
3. To stir someone to an emotion or a response: "The newspaper article provoked my wife to write a letter to the publisher."
4. To bring something about intentionally by stiring up, arousing, or calling forth feelings, desires, or some responsive activity.

Someone who incites or stimulates a person, an animal, etc. to some kind action.

Troubling the nerves, or peace of mind, as by repeated vexations.

1. Upsetting someone to anger or resentment; being irritating.
2. The evoking, or stimulation, of someone, or a group, to respond with some kind of action.

That which can be, or which is capable, of being revoked.

That which can be canceled, recanted, renounced, or annulled (declared invalid).

The act by someone having the authority of annulling, or canceling, something previously done.