To assert the opposite of a statement made by someone else, thereby showing it to be false.
He swore he saw the car speed away, but I knew that wasn't true. I had to contradict him, to say the opposite, because his memory was wrong.
He swore the data was clean, that no anomalies existed. When Sarah presented her findings, showing the stark deviations, she had to contradict his confident claim. His face fell; her proof made his assertion untrue.
The chief engineer’s eyes narrowed. “You say the atmospheric processors are stable? I must contradict that. My readings show critical pressure drops; the entire sector is about to vent into the void.” His voice shook with anger.
Barry insisted his pet rock could do cartwheels. His friend, clearly seeing the stationary boulder, had to contradict Barry, explaining it was a very impressive paperweight, but not a gymnast. Barry remained unconvinced, whispering encouragement to the unmoving stone.
My cat insists he never sheds, but then I find a fluffy white tumbleweed the size of a hamster in his food bowl. He also claims the red dot is a tangible foe, yet when I try to catch it with him, he just stares at me blankly. It's hard not to contradict his fuzzy little lies.
She insisted the antique vase was priceless. But as he picked it up, a loose shard fell off, clearly showing it had been repaired poorly. He couldn't help but contradict her claim; it was obviously worthless.
"No, that's impossible!" Anya insisted, her voice tight. "You *said* the spore-filters were recalibrated yesterday. My readings *contradict* that completely, showing them at critical levels. We're not going to make it through the tunnel."
The foreman insisted the ancient mechanism was flawless, but a single, grinding squeal as the lever jammed began to contradict his booming assurances. We all saw the metal buckle, proving him wrong with a sickening crunch.
My cat claims he's a purebred Persian, but then he sneezed a hairball that looked suspiciously like my sock. I'm starting to think his ancestry report might contradict his adorable, slobbery reality. He's less royalty, more fuzzy street urchin.
Barnaby, who insisted his pet badger could juggle flaming pinecones, found his claim difficult to defend when the badger merely sniffed the pinecones and waddled away. His roommate, Brenda, then pointed out the distinct lack of juggling, directly showing Barnaby's assertion to be false.
He swore he'd left the keys on the counter, but my own eyes contradicted him; they were dangling from the lock on the front door, mocking his certainty and his carelessness.
He adamantly stated the atmospheric processor was functioning perfectly, but Sarah's desperate plea, "It's releasing toxins! Look at the readings!" served to contradict his assurance, revealing the terrifying truth of their failing life support.
The seasoned xenobotanist sighed, her brow furrowed. She had to contradict the junior researcher's enthusiastic claim about the sentient bioluminescent moss. Its recent, aggressive growth patterns and unusual silicate secretions clearly indicated a territorial defense mechanism, not peaceful cooperation.
My roommate insisted his sock drawer was a portal to Narnia. I had to contradict him by pointing out the distinct aroma of gym socks, which frankly, is not a scent one associates with mythical kingdoms. He then suggested the portal was merely *en route* to Narnia, which I found even less plausible.
The esteemed mycologist declared his specimen undeniably a *Pleurotus ostreatus*. However, Bartholomew, a connoisseur of fungal imposters, vehemently chose to contradict the assertion. His keen nose, trained on generations of dubious toadstools, detected the faint, tell-tale aroma of genuine, albeit slightly past-its-prime, rubber boot.
When he claimed the expedition was an unequivocal success, Sarah's expression shifted. She knew the dire straits they had faced, the dwindling provisions, and the demoralized state of the crew. Her heart ached to contradict him, to expose the blatant falsehood of his triumphant pronouncements to the assembled dignitaries.
The shaman's pronouncements of abundant rains were met with derision. I had to contradict him, pointing to the parched earth and the desiccated flora, proving his claims utterly specious.
The archivist, having painstakingly cross referenced the holographic diaries, was forced to contradict the esteemed Professor Aris. His jubilant assertion of a singular chronal origin was demonstrably specious, as the fragmented temporal echoes overwhelmingly indicated multiple, concurrent genesis points.
My esteemed colleague, a veritable pontificator, vociferously proclaimed his unwavering belief that squirrels hoarded artisanal cheeses. I, armed with irrefutable evidence of their acorn predilections, found it my solemn, albeit hilarious, duty to contradict his specious assertion, thereby demonstrating its utter fatuity.
The esteemed gerontologist, Dr. Phileas Piffle, vehemently tried to contradict his colleague's assertion that squirrels possessed an innate understanding of quantum entanglement, his indignant harrumphs echoing through the hallowed halls of the Institute for Peculiar Pastimes.
Normal — Everyday words worth reinforcing.