on solid ground
Confident or justified regarding a subject or argument.
He's on solid ground when he's analyzing the pros and cons of convertible debentures.
adj
That can be picked up or held, having a texture, and usually firm. Unlike a liquid, gas or plasma.
Almost all metals are solid at room temperature.
Large in size, quantity, or value.
Almost a quarter of a million copies is really a solid number for today's record industry. In fact, that number is more than the last two number one albums
Americans increased their borrowing by a solid amount in September. But the gain was less than half the big August surge
Lacking holes, hollows or admixtures of other materials.
solid gold
solid chocolate
Strong or unyielding.
a solid foundation
As in the 1-0 win against Norway in Oslo, this was an England performance built on the foundations of solid defence and tactical discipline.
Continuous and heavy.
He was covered in a fine mist by then, the night skies growing more saturated by the hour. It would be a nice, solid rain before long, he figured.
The ground above looked like it might give out again in a solid rain. The opposite bank promised even less. The river bent around acres of mud pocked with knots of grass and cattail spikes. I was tired. Despite the dangers of camping on such unstable ground, I dragged the canoe up the bank[…]
adv
Solidly.
True, not ten of these mines were yielding rock worth hauling to a mill, but everybody said, "Wait till the shaft gets down where the ledge comes in solid, and then you will see!"
Hm-m-—These papers are complete—They make Mortimer and Matilda the legal guardians of Babs—ought to put me in more solid than ever with Miss Effie—and that home is good graft.
Without spaces or hyphens.
Many long-established compounds are set solid.
noun
A substance in the fundamental state of matter that retains its size and shape without need of a container (as opposed to a liquid or gas).
A three-dimensional figure (as opposed to a surface, an area, or a curve).
A favor.
Please do me a solid: lend me your car for one week.
I owe him; he did me a solid last year.
An article of clothing which is of a single color throughout.
I prefer solids over paisleys.
Food which is not liquid-based.
The doctor said I can't eat any solids four hours before the operation.