sound as a dollar
The phrase "sound as a dollar" is an idiom that originated in the United States, reflecting a time when the dollar was considered very reliable.
🇺🇸 US Voice:
🇬🇧 UK Voice:
Definition
C1General
(informal, dated)Very secure and dependable.
Example
- His business plan is sound as a dollar; you can trust it will succeed.
C1General
(informal, dated)In excellent condition or health.
Example
- After the repairs, the car is now sound as a dollar.
Similar
Terms that have similar or relatively close meanings to "sound as a dollar":