unchecked

adjective

un·​checked ˌən-ˈchekt 

: not checked: such as

a

: not hindered, slowed, or restrained

unchecked growth

b

: not verified

unchecked data/information

Synonyms of unchecked

• rampant
• uncontrolled

Examples of unchecked in a Sentence

unchecked corruption in the state's prison system

Recent Examples on the Web

Left unchecked, the outbreak still threatens to kill livestock and wildlife, infect pets, and potentially even infect people. — Robert Kelly, Fortune, 22 Oct. 2026

Security patches for the PHP programming language, widely used to build websites and web apps, have rolled out today, with the goal of fixing two critical vulnerabilities that could wreak havoc on the internet if left unchecked. — Jess Weatherbed, The Verge, 21 Oct. 2026

Meanwhile, there are AI safety researchers who fear that portraying such incidents as easily remedied security failures gives political cover to those who want AI development to proceed unchecked. — Harry Booth, Time, 20 Oct. 2026

The debate intensified after Anthropic researcher Jacob Coxon resigned in September, publicly warning about the dangers of unchecked AI development. — Ella Chakarian, Los Angeles Times, 20 Oct. 2026

Word History

First Known Use

15th century, in the meaning defined above

Rhymes for unchecked

• architect
• circumspect
• deselect
• dialect
• disconnect
• disinfect
• disrespect
• incorrect
• indirect
• intellect
• interject
• intersect