1
a
: being without an internal cavity
a solid ball of rubber
b(1)
: printed with minimum space between lines
(2)
: joined without a hyphen
a solid compound
c
: not interrupted by a break or opening
a solid wall
2
: having, involving, or dealing with three dimensions or with solids
a solid configuration
3
a
: of uniformly close and coherent texture : not loose or spongy : compact
b
: possessing or characterized by the properties of a solid : neither gaseous nor liquid
solid waste
4
5
a
: having no break or interruption
waited three solid hours
b
: unanimous
had the solid support of the party
c
: intimately friendly or associated
solid with the boss
6
a
: prudent
also
: well established financially
b
: serious in purpose or character
7
: of one substance or character: such as
a
: entirely of one metal or containing the minimum of alloy necessary to impart hardness
solid gold
b
: of a single color
solidly
adverb
solidness
noun
1
: a geometrical figure or element (such as a cube or sphere) having three dimensions see Volume Formulas Table
2
a
: a substance that does not flow perceptibly under moderate stress, has a definite capacity for resisting forces (such as compression or tension) which tend to deform it, and under ordinary conditions retains a definite size and shape
b
: the part of a solution or suspension that when freed from solvent or suspending medium has the qualities of a solid
—usually used in plural
milk solids of protein and lactose
3
: something that is solid: such as
a
: a solid color
b
: a compound word whose members are joined together without a hyphen
4
US slang
: favor sense 3a
Ted Evans might be one of those people. … "Can you do me a solid and watch my stuff?" he'll ask, returning the favor if anyone else needs to do the same.—
Laylan Connelly
Laylan ConnellySo her husband did her a solid and dropped her off for the afternoon, where she was free to sketch some of the exhibits …—Steven Lemongello
Steven Lemongello
: in a solid manner
also
: unanimously
Synonyms
Examples of solid in a Sentence
Adjective
Concrete is a solid material.
When ice melts, it passes from a solid to a liquid form.
I was on a liquid diet when I was sick because I couldn't digest solid food.
I was glad to get off the plane and back on solid ground.
The pond was frozen solid.
The ring is solid gold.
a chunk of solid marble
I prefer solid colors like blue or green instead of plaids and stripes.
Noun
She couldn't eat solids after the surgery.
Recent Examples on the WebDavid Lauter, Los Angeles Times, 20 Apr. 2024
Now, as domestic grosses push past $40 million Saturday, the war thriller seems to be in a solid place.
—J. Kim Murphy, Variety, 20 Apr. 2024
See all Example Sentences for solid 
Adjective
Those polls have raised a lot of questions about where the youth vote is headed this year; the Harvard survey offers a big step toward solid answers.
—David Lauter, Los Angeles Times, 20 Apr. 2024
Now, as domestic grosses push past $40 million Saturday, the war thriller seems to be in a solid place.
—J. Kim Murphy, Variety, 20 Apr. 2024
See all Example Sentences for solid
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'solid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near solid
Cite this Entry
“Solid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solid. Accessed 3 May. 2024.
Copy CitationKids Definition
solid
1 of 2 adjective
sol·id
ˈsäl-əd 
1
a
: not hollow
b
: written as one word
a solid compound
2
: having, involving, or dealing with solids : cubic sense 2
a solid geometric shape
3
a
: not loose or spongy : compact
a solid mass of rock
b
: neither gaseous nor liquid
solid ice
solid waste
4
: of good sturdy quality or kind
solid comfort
solid reasons
5
6
a
: thoroughly dependable : reliable
a solid citizen
b
: earnest or important in purpose
solid reading
7
: of one material, kind, or color
solid gold
solid
adverb
solidly
adverb
solidness
noun
solid
2 of 2 noun1
: a geometric figure or element (as a cube or a sphere) having three dimensions
2
: a solid substance : a substance that keeps its size and shape
Medical Definition
solid
1 of 2 adjective
sol·id
ˈsäl-əd
1
: being without an internal cavity : not hollow
solid tumors
2
: possessing or characterized by the properties of a solid : neither gaseous nor liquid
3
of immunity
: capable of resisting severe challenge
solidly
adverb
solid
2 of 2 noun1
: a substance that does not flow perceptibly under moderate stress, has a definite capacity for resisting forces (as compression or tension) which tend to deform it, and under ordinary conditions retains a definite size and shape
2
: the part of a solution or suspension that when freed from solvent or suspending medium has the qualities of a solid
—usually used in plural
milk solids
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