solid
Hard and firm, not a liquid or gas.
Firm and stable in shape; not liquid or gas and not easily deformed.
Good and reliable; can be trusted or depended on.
Dependable in character or performance; showing strength, stability, or trustworthiness.
A thing that is hard and keeps its shape, not liquid or gas.
A substance or object that is firm and keeps its shape, neither liquid nor gas.
Very good or excellent.
Of very good quality; excellent or impressive in some way.
- Base: solid
- Base: solid
- Plural: solids
do someone a solid
1Do someone a helpful favor
To do something kind or helpful for someone.
- Can you do me a solid and watch my bag?
- He really did me a solid by covering my shift.
frozen solid
1Completely frozen hard
Frozen so much that it is completely hard.
- The pond was frozen solid by morning.
- I left my drink outside and now it's frozen solid.
rock solid
1Extremely strong or dependable
Very strong, safe, or sure; cannot be easily broken or changed.
- They have a rock-solid marriage.
- Her argument was rock solid and convincing.
stand on solid ground
1Be in a safe/certain position
To be in a safe or sure situation where you are confident about what you are doing or saying.
- With all this evidence, we stand on solid ground in court.
- You should make sure you stand on solid ground before making such claims.