use one's head
To think carefully, especially as an alternative to being guided by one's emotions.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“Please use your head before you make a big mistake.”
“The situation is getting dangerous, so you need to use your head and stay calm.”
“Rather than reacting with anger to the sudden crisis, the manager chose to use her head and devise a logical solution.”
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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
ain't what it used to was
Is not what it used to be; (expressing nostalgia).
- 07
air one's dirty laundry in public
To reveal one's sordid secrets to the public.
- 08
air one's dirty linen in public
Synonym of air one's dirty laundry in public.
Last updated August 10, 2026