as in rampant
showing no signs of being under control
unchecked corruption in the state's prison system
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Recent Examples of unchecked
If left unchecked, Japanese wisteria can damage fences, homes, and trees by cutting through tree bark.
—
Sj McShane, Martha Stewart, 1 May 2026
Letting grass grow unchecked can lead to 10–12 inch blades, and cutting that much back at once can stress your lawn heading into summer.
—Ryan Brennan
may 1, Miami Herald, 1 May 2026
Left unchecked, these small issues turn into slippery surfaces, mildew odors and plumbing repairs that strain both the body and the budget.
—Lauren Jarvis-Gibson, Sacbee.com, 30 Apr. 2026
Water has penetrated vaults protecting electrical work and, if left unchecked, could cause an explosion.
—Jonathan Edwards, Washington Post, 30 Apr. 2026
See All Example Sentences for unchecked
Sj McShane, Martha Stewart, 1 May 2026
Letting grass grow unchecked can lead to 10–12 inch blades, and cutting that much back at once can stress your lawn heading into summer.
—Ryan Brennan
may 1, Miami Herald, 1 May 2026
Left unchecked, these small issues turn into slippery surfaces, mildew odors and plumbing repairs that strain both the body and the budget.
—Lauren Jarvis-Gibson, Sacbee.com, 30 Apr. 2026
Water has penetrated vaults protecting electrical work and, if left unchecked, could cause an explosion.
—Jonathan Edwards, Washington Post, 30 Apr. 2026
See All Example Sentences for unchecked
Recent Examples of Synonyms for unchecked
Adjective
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Amid rampant social media speculation, a spokesperson for the investment company has said that Fidelity is actually growing and that the changes to its technology and product operating model are not about cutting costs.—
Lance Reynolds,
Boston Herald,
7 May 2026
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Billboards strike me as an obvious metonym for our rampant consumerism, but maybe that, too, is only half the picture.—
Amanda Whiting,
Vulture,
6 May 2026
Adjective
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The measure to authorize the culling of 80 of these specimens is due to the uncontrolled growth of the invasive species in the Magdalena River basin, said Minister Vélez when announcing the decision.—
Anabella González,
CNN Money,
29 Apr. 2026
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Leaving the house or making a left hand turn at an uncontrolled light can fill me with terror.—
Hannah Sacks,
PEOPLE,
28 Apr. 2026
Cite this Entry
“Unchecked.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unchecked. Accessed 8 May. 2026.
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