indiscreet
Definitions
Having or showing a lack of judgment or caution in one's actions or speech.
Lacking discretion; revealing things that should remain private or secret.
Examples
It was very indiscreet of him to discuss the company's private financial matters in such a crowded elevator.
She realized too late that her indiscreet comments about the boss had been overheard by several colleagues.
Synonyms
imprudent tactless rash impulsive careless unwise injudicious
Antonyms
prudent tactful discreet cautious circumspect judicious diplomatic