Undetected: Definition, Usage & Common Mistakes

Meaning 1：not detected (undetected)

undetected 🔊

/ˌʌndɪˈtɛktɪd/

adj.

Not noticed or found by anyone.

Undetected concept illustrated by a camouflaged animal hidden on a forest floor.

not detected 🔊

➕

/nɒt dɪˈtɛktɪd/

adj.

Describing something that has not been noticed, discovered, or identified by anyone.

📁 Category：Botany Research 🔖 Level：Intermediate

📘 Details & Usage

📖 Root Explanation

From un- (not) + detect (to discover) + -ed (adjective suffix).

💡 Mnemonic

UN (not) + DETECT (find) + ED → not detected.

📖 Example

The new species of flower remained undetected in the remote part of the botanical garden for centuries. 🔊 The new species of flower stayed undetected in the remote botanical garden for centuries.

🔗 Collocations

go undetected – to escape notice or discovery

remain undetected – to stay hidden or unnoticed

undetected error – an error that has not been found

🔄 Synonyms

unnoticed (adj.) – not observed or perceived

unobserved (adj.) – not seen or noticed

hidden (adj.) – concealed from view

🚫 Antonyms

detected (adj.) – noticed or discovered

noticed (adj.) – observed or seen

obvious (adj.) – easily seen or understood

🌱 Derivatives

detect (v.) – to discover or notice

detection (n.) – the act of detecting

undetectable (adj.) – impossible to detect

📖 Cultural Story

Derived from 'un-' (meaning 'not') and 'detect', from Latin 'detegere' (to uncover). Commonly used in modern contexts like cybersecurity or espionage to describe something that escapes notice.