Lacking factual support or evidence; not established on solid reasoning.
He accused her of stealing the money, but his claims were completely unfounded. There was no proof, no witnesses, nothing to back him up. Everyone knew his anger was based on nothing real, a wild guess that hurt her deeply.
The whispers about the glowing fungi turning water into pure energy were just that—whispers. Everyone was excited, but no one had seen it. Their hope, built on stories, felt completely unfounded once the expedition returned empty-handed.
He paced the dusty floor, the accusations a constant hum in his ears. Every denied claim, every dismissed exhibit felt like a stone added to a growing pile of suspicion. The prosecutor’s arguments, however, seemed entirely unfounded, lacking any real proof that he’d ever touched the antique clock.
My uncle insisted his pet hamster could predict the lottery numbers. His theories were completely unfounded, as the tiny rodent mostly just nibbled seeds and napped. Still, he’d spend hours listening to its squeaks, convinced they were coded messages.
My neighbor insisted his prize-winning pumpkin could sing opera. He swore he heard high notes during sunset. But after a week of intense listening, there wasn't a single "O sole mio" to be found, making his claim entirely unfounded. He now blames the crickets for "mimicking."
He paced the room, his accusations unfounded. All the evidence pointed to his innocence, yet he clung to his wild suspicions, his fear making him see threats where there were none.
The entire expedition was built on an unfounded suspicion of subterranean mycelial networks controlling seismic activity. After weeks of digging and zero anomalous readings, the team’s morale plummeted. Their costly, elaborate equipment sat idle, testament to the lack of any real evidence for their wild theories.
She felt a cold dread bloom in her stomach as the manager announced the new policy. Their fears of being replaced by the automated sorting system were completely unfounded; the machines were just for inventory.
My uncle's claim that squirrels are secretly running the stock market, manipulating prices with their acorn hoard, is entirely unfounded. Despite his impassioned speeches and elaborate diagrams drawn on napkins, there's no evidence whatsoever to support his bushy-tailed conspiracy. He's convinced, though, and keeps trying to buy nuts with pennies.
My neighbor insisted his prize-winning pet rock was a rare alien artifact, though his claims were entirely unfounded. He pointed to a smudge on its surface as proof of cosmic origin, completely ignoring the fact that he'd dropped it in his spaghetti sauce earlier.
He pleaded his innocence, but the accusations, entirely unfounded, echoed through the courtroom. Despite his desperate appeals, the jury saw only guilt, their decision based on conjecture, not concrete proof. The weight of the unfounded claims crushed him.
The community was thrown into a panic by rumors of contaminated water. Neighbors stockpiled bottled supplies, convinced of a dire threat. However, official reports confirmed the accusations were entirely unfounded, a tempest in a teapot born from speculation and an absence of actual evidence, leaving everyone feeling foolish.
She reread the anonymous note, its accusations about her research entirely unfounded. There was no data, no observation, just wild speculation that made her stomach churn.
Barnaby was convinced his prize-winning pet hamster, Reginald, secretly plotted world domination. His theories, however, were entirely unfounded, as Reginald's grand schemes consisted solely of stuffing his cheeks with sunflower seeds and napping. The only evidence Barnaby offered involved Reginald's "menacing stare," which was, in reality, indigestion.
Professor Bumbleforth's theory that squirrels secretly run the stock market, a notion he passionately defended with interpretive dance and a suspiciously chewed acorn, was largely unfounded. Despite his fervent pronouncements, no discernible evidence linked rodent financial acumen to fluctuations in blue-chip stocks, much to the amusement of the economics department.
She recoiled from the accusations, her face a mask of anguish. Every insinuation, every malicious whisper, felt unfounded, a fabrication spun from pure spite with no basis in truth. Her reputation was being systematically dismantled by a tide of baseless conjecture.
The village elder's pronouncement regarding the blight's origin, attributing it to a spectral entity dwelling in the salt flats, was largely unfounded. No tangible evidence, no ancient incantation, nothing corroborated his grave assertions. The populace, however, clung to his apocalyptic narrative, their fear a fertile ground for these baseless claims.
The hushed whispers of doubt regarding the efficacy of the sonic phrenology device were proving remarkably persistent, despite the lack of any concrete data. All projections of its revolutionary impact remained entirely unfounded, clinging to abstract hypotheses rather than verifiable outcomes, leaving the scientific community deeply skeptical.
Barnaby, a man whose pronouncements were as extravagant as his mustard-yellow waistcoat, insisted a flock of phantom badgers pilfered his artisanal pickles. This preposterous allegation, completely unfounded, caused considerable consternation, especially since the only footprints near the brine vat belonged to his kleptomaniac terrier, Reginald.
The paleontologist's pronouncement that the fossilized platypus was clearly an elaborate prank by disgruntled stegosaurs was met with profound skepticism. Her elaborate thesis, claiming the creature had been constructed from discarded trilobite exoskeletons and a misplaced mammoth tusk, remained utterly unfounded, lacking any scintilla of corroborating evidence or cogent logic.
Advanced — Less frequent words that stretch an upper-level vocabulary.