All words

fluctuate

Meaning

To undergo irregular changes or variations.

Examples by difficulty

Basic: Simple, everyday vocabulary — the easiest to read.

The power in the old house would often fluctuate. One minute the lights were bright, the next they'd dim, making it hard to see. It was unsettling, especially when the fan would sputter and stop without warning.

The bioluminescent spores on the alien fungi would fluctuate wildly in brightness. One moment they pulsed with an angry red, the next a sickly green, and then went dark entirely, making the cave a terrifying, unpredictable place to navigate.

The temperature readings from the alien fungal bloom began to fluctuate wildly. One moment it was baking hot, the next it was freezing. We didn't know if it was growing, dying, or just having a really bad day.

My mood loves to fluctuate, like a bouncy castle full of angry hamsters. One minute I'm happy, then suddenly I want to wear socks with sandals. It's a rollercoaster of silly feelings that never stays the same for long, making me quite unpredictable.

My prize-winning pet dust bunnies were acting weird. Their fluffy little forms would suddenly stretch out, then shrink back. They'd fluctuate wildly between looking like fluffy marshmallows and flat pancakes, making it impossible to count them all for their morning oatmeal.

Normal: Standard, everyday language.

The stock market's value started to fluctuate wildly after the announcement. One minute it was up, then down again, making everyone nervous. No one could predict which way it would go, and the constant change felt unnerving.

The old projector's hum would fluctuate, sometimes loud, sometimes barely a whisper, making the silent film jump and stutter. It was a constant worry; you never knew if the image would hold or just fade into darkness.

The stock market seemed to fluctuate wildly today, my stomach churning with every dip. One minute I was celebrating a gain, the next I was bracing for a loss, the hope and dread ping-ponging inside me with each unexpected shift.

My cat's mood seems to fluctuate wildly; one minute he's purring for tuna, the next he's plotting my demise with his laser pointer. My bank account, unfortunately, tends to fluctuate in a similar, slightly more predictable, but equally alarming pattern after each of his gourmet meals.

My sourdough starter, Bartholomew, tends to fluctuate wildly in enthusiasm. One day he's bubbling like a tiny volcano, ready to conquer the world with crusty bread; the next, he sulks, barely a whisper of yeasty life. It's a constant, unpredictable drama in my kitchen.

Advanced: Richer vocabulary that stretches an upper-level reader.

My mood can fluctuate wildly. One moment I'm soaring, convinced everything is perfect, and the next a small worry plunges me into despair. It's exhausting to constantly adjust to these unpredictable shifts inside myself.

The volatile atmospheric pressure over the Martian highlands made readings difficult; temperatures would fluctuate wildly, sometimes dropping fifty degrees Celsius in a single diurnal cycle, making equipment recalibration a constant, frustrating necessity.

The bioluminescent algae in the research tank would fluctuate in brightness, a constant worry for Dr. Aris. One minute the glow was a soft pulse, the next it surged, then dimmed to near darkness. This unpredictable change made recording data a frustrating, almost impossible task, each fluctuation demanding immediate attention and recalibration.

My cat's mood can fluctuate wildly; one moment she's purring like a tiny engine, the next she's plotting my demise with the intensity of a seasoned conspirator. It's a genuine enigma, this sudden shift from cuddly companion to tiny, furry tyrant.

My prize-winning chinchillas' moods, much like the tide of artisanal kombucha sales, tend to fluctuate erratically. One moment they're a tempest of joyful fluff, the next, they're aloof fur-nados contemplating the existential dread of a slightly too-warm pellet.

Challenging: Rare, high-register vocabulary for serious word lovers.

The stock market’s fortunes, so vital for Elias's burgeoning enterprise, would constantly fluctuate. One day the NASDAQ was ebullient, the next it was mired in despondency, making long term projections a Sisyphean task. He prayed for stability, for an end to this capricious oscillation.

The atmospheric pressure in the biodome began to fluctuate erratically, a concerning sign. Alarms blared as the delicate equilibrium, vital for the xenobotanical specimens' survival, started to destabilize. Scientists scrambled to recalibrate, their hopes dimming with each jarring irregularity.

The merchant's profits would fluctuate wildly depending on the unpredictable arrival of caravans carrying rare spices from the Orient. One day, he’d amass a fortune; the next, he’d barely cover his operational expenses. This volatile income made long-term planning an exercise in futility.

My experimental sourdough starter, Bartholomew, exhibited a peculiar temperament. Its effervescence would unpredictably fluctuate, sometimes bubbling with preternatural vigor, then suddenly subsiding into a despondent, gelatinous quietude. I suspect a latent existential dread within its yeasty soul.

The artisanal, ethically-sourced yak butter prices began to fluctuate wildly after the subterranean gnome population, hitherto undiscovered, developed a fervent, albeit baffling, obsession with said dairy product, leading to impromptu butter-brawls in the remote Tibetan markets.

Difficulty

Basic — Common words most learners already know.

Appears in

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