Synonyms and Antonyms of solid
1
based on sound reasoning or information - the only solid conclusion that the jury could have reached
commonsense, commonsensible, commonsensical, firm, good, hard, informed, just, justified, levelheaded, logical, rational, reasonable, reasoned, sensible, sober, valid, well-founded
actual, real, true
certain, sure
certified, validated, verified
confirmed, corroborated, substantiated
cogent, convincing
colorable, credible, plausible
groundless, illogical, invalid, irrational, nonrational, nonsensical, nonvalid, unfounded, uninformed, unjustified, unreasonable, unreasoned, unsound
2
having a consistency that does not easily yield to pressure - The ice cream is too solid to scoop right now.
case-hardened, compacted, compressed, hardened, indurated, stiffened, tempered
close, dense, heavy, thick, thickset
inelastic, inflexible, ramrod, unbending
compressed, condensed
adamantine, rocklike
sturdy, substantial
impenetrable, impermeable, nonporous
loose, scattered, thin
bendable, elastic, flexible, malleable, pliable, pliant, supple
droopy, flaccid, floppy, lank, limp, slack
airy, light
permeable, porous
ultrasoft
3
having or consisting of a single color - Both kittens are black, but one has a solid coat and the other has a few white patches.
dappled (also dapple), marbled, shaded
mottled, parti-color (or parti-colored), piebald, pied, pinto, skewbald
banded, barred, brindled (or brindle), streaked, striated
checkered, dotted, patterned, plaid, striped
flecked, specked, speckled, spotted
bicolored (or bicolor), dichromatic, two-tone
chromatic, colorful, kaleidoscopic, motley, multicolored, polychromatic, polychrome, rainbow, varicolored, varied, variegated
4
not showing weakness or uncertainty - Some people see a solid handshake as a sign of strong character.
hard, ironclad, mighty, powerful, tough, unyielding
animated, brisk, energetic, frisky, jaunty, jazzy, lively, peppy, perky, spirited, sprightful, sprightly, springy, vital, vivacious, zippy
assured, certain, confident, sanguine, secure, sure
feeble, fragile, frail
limp, listless, spiritless
diffident, insecure, self-doubting
characterless, effete, frail, spineless, weakened, weak-kneed, wimpy, wishy-washy
5
worthy of one's trust - a solid source of information to reporters
calculable, dependable, good, reliable, responsible, safe, secure, steady, sure, tried, tried-and-true, true, trustable, trustworthy, trusty
constant, devoted, faithful, fast, loyal, staunch (also stanch), steadfast, true-blue
honest, sincere, single-minded
infallible, unerring
bedrock, firm, sound, strong
effective, telling
attested, authenticated, confirmed, proven, valid, validated, verified
blameless, faultless, guiltless, impeccable, inerrant, irreproachable, unimpeachable, unquestionable
disloyal, faithless, false, fickle, inconstant, perfidious, recreant, traitorous, treacherous, unfaithful, untrue
deceitful, dishonest, lying, mendacious, untruthful