to do someone a solid

solid | American Dictionary

solid
adjective
us/ˈsɑl·ɪd/

solidadjective (FIRM/NOT LIQUID)

having a fixed shape that cannot be changed easily:
After flying all night, he was glad to be on solid ground.
chemistry
A substance that is solid is not a liquid or a gas.

solidadjective (DENSE)

completely packed with material; not hollow:
solid rock
a solid oak table
A solid metal or color is pure and does not have anything else mixed together with it:
solid gold
a solid blue background

solidadjective (STRONG)

(of objects) made in a way that is strong, or (of a person) strong:
It’s a solid house.
David has a solid, muscular body.

solidadjective (CERTAIN)

being of a good quality that can be trusted; certain or safe:
All the performers showed solid musicianship and technique.
Relations between them are based on a solid foundation of friendship and trust.
solid
noun[ C ]

solidnoun[C] (SHAPE)

geometryus/ˈsɑl·ɪd/
an object with three dimensions (= height, width, and length):
A cube is a solid.

solidnoun[C] (FOOD)

us/ˈsɑl·əd/
a food that is not liquid:
After the operation, Mrs. Groncki couldn’t eat solids.
solid
adverb[ not gradable ]
us/ˈsɑl·əd/

solidadverb[not gradable] (DENSE)

with no openings; full:
He has 54 tin boxes, packed solid with baseball cards.

solid | Business English

solid
adjective
uk /ˈsɒlɪd/us
of a good standard:
The bank has reported solid earnings for the year.

Examples of solid

solid
Measurements of energetic proton transport through magnetized plasma from intense laser interaction with solids.
The theory of electron spin-echo signal decay resulting from dipole-dipole interactions between paramagnetic centers in solids.
They might explain why response times to views of solids paired with views of enantiomorphic (left- and right-handed) solids increase linearly with depicted angular difference.
1913 and 1914 he published a number of theoretical papers, five on thermodynamics and two on the adsorption of gases by solids.
Standardization measure is then computed based on the similarity between the two solids.
Such rapid migrations increase the accumulation of small solids, particularly around the midplane, and enhances the rates of their collisions and coagulation to larger objects.
The rapid accumulation of such solids on the midplane increases the rates of their collision and coalescence to larger objects.
Because glasses are metastable solids, they can support a considerable mechanical stress, especially over short periods of time.
Two-dimensional polygons and threedimensional polyhedra (curved or linear) are widely recognized examples of solids.
The singularities are known as disclinations and are the orientational analogues of dislocations in solids.
On the following day, the sample with crucible was weighed and total solids were estimated by difference.
The higher inorganic content of the biofilm may have resulted from deposition of inorganic solids owing to the lower flow velocities applied in this study.
In 1930, the authorities installed sedimentation tanks which allowed the heavier solids to deposit.
Symmetry principles for the design of radiofrequency pulse sequences in the nuclear magnetic resonance of rotating solids.
Thus, ionization dynamics in solids are found to evolve through multiple stages.
See all examples of solid
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.