keep one's lips sealed
To keep quiet; to keep a secret; to not tell.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“I promise to keep my lips sealed about your surprise party.”
“The manager asked the team to keep their lips sealed until the official announcement is made next week.”
“Despite the intense pressure from the investigators to reveal the source, the witness remained steadfast and kept her lips sealed throughout the entire trial.”
- 01
abound in one's own sense
To follow one’s own inclinations and opinions.
- 02
ace up one's sleeve
A surprise advantage of which others are not aware.
- 03
act one's age
To behave in a manner appropriate to one's age.
- 04
act one's age, not one's shoe size
Synonym of act one's age (“to behave in a mature manner; to avoid being childish”).
- 05
afraid of one's own shadow
Exceptionally timid.
- 06
air one's dirty laundry in public
To reveal one's sordid secrets to the public.
- 07
air one's dirty linen in public
Synonym of air one's dirty laundry in public.
- 08
albatross around one's neck
A characteristic, possession, associate, or previous deed that hinders one's ability to succeed.
Last updated August 10, 2026