Solid
Hard
Sound
Synonyms Well built, sound, strong, stout, stable, well constructed, substantial, sturdy, and durable.
Valid
Synonyms Well founded, valid, reasonable, weighty, convincing, plausible, reliable, firm, trustworthy, steadfast, staunch, unwavering, level-headed, decent, upright, worthy, secure, of good financial standing, profit-making, debt-free, in credit, out of debt, ungeared, unindebted, well grounded, sound, logical, authoritative, cogent, credible, dependable, unshakeable, stable, unfailing, constant, sensible, down-to-earth, law-abiding, upstanding, financially sound, creditworthy, in funds, able to pay its debts, solvent, not in debt, in the black, and unlevered.
Example Sentences
The table feels incredibly solid today.
He gave a solid performance yesterday.
They formed a solid partnership together.
Her argument is based on solid evidence.
