Synonyms of unchecked

unchecked

adjective

ˌən-ˈchekt 

as in rampant

showing no signs of being under control

unchecked corruption in the state's prison system

Synonyms & Similar Words

• rampant
• uncontrolled
• unbridled
• runaway
• unhindered
• unbounded
• unrestrained
• unhampered
• abandoned
• intemperate
• raw
• uncontrollable
• uninhibited
• ungovernable
• riotous
• wild
• barbaric
• hog wild

Antonyms & Near Antonyms

• checked
• controlled
• hampered
• hindered
• restrained
• governed
• constrained
• temperate
• moderate
• curbed
• bridled
• tempered

Example Sentences

Recent Examples of unchecked

Public anger was more raw as the country grappled with a largely unchecked hail of bombs from the sky. — Frederik Pleitgen, CNN Money, 11 July 2026

In Connecticut, diamondback terrapins live in saltmarsh habitats and consume coffee bean snails, which if left unchecked would consume all the grass in the saltmarsh. — Staff Report, Hartford Courant, 11 July 2026

Wind, high temperatures and little rainfall help small wildfires grow into unchecked blazes. — Sergio Rodrigo, Los Angeles Times, 11 July 2026

Now the risks of unchecked token consumption are under increasing scrutiny, most notably after Uber blew through its entire AI budget in just four months and Microsoft cancelled most of its Claude Code licenses. — Tim Keary, Forbes.com, 10 July 2026