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

The South Bay International Wastewater Treatment Plant, also operated by the IBWC, processed less than 25 million gallons per day throughout the heatwave — leaving a significant volume of untreated wastewater flowing through unchecked. —Walker Armstrong, San Diego Union-Tribune, 21 Mar. 2026

The question is whether the largest financial transaction in most Americans’ lives will remain the one place where deceptive design goes unchecked. —New York Daily News, 21 Mar. 2026

Left unchecked, this can lead to a downward spiral where insurance gets more expensive and less profitable, more companies leave, insurance gets even harder to find for customers, and the process repeats. —Scott Pham, CBS News, 20 Mar. 2026

The Chorus Is Watching The Greek tragedians knew how the story ends when hubris goes unchecked. —Anthony Scaramucci, Fortune, 19 Mar. 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