undetected

/'ʌndi'tektid/

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Explanation of "Undetected"

Definition: The word "undetected" is an adjective that means something has not been noticed, seen, or discovered. It refers to something that is hidden or not recognized by anyone.

Usage Instructions:

• "Undetected" is often used to describe situations where something is present but not obvious.
• It can refer to problems, mistakes, or things that are not seen by people.

Examples:

1. Simple Example:

   • The thief entered the house undetected.
   • (This means the thief was able to enter without anyone noticing.)

2. In a Sentence with Context:

   • They feared some undetected trace of poison in the food.
   • (This means they were worried that there might be poison in the food that no one could see.)

3. Social Context:

   • She looked around to be sure her faux pas was undetected.
   • (Here, "faux pas" means a mistake or social blunder, and she wanted to make sure no one noticed her mistake.)

Advanced Usage:

• "Undetected" can be used in various contexts such as in scientific discussions (e.g., undetected diseases), criminal investigations (e.g., undetected crimes), or everyday life (e.g., undetected mistakes).

Word Variants:

• Detect (verb): To discover or notice something.
• Detection (noun): The act of noticing or discovering something.
• Detective (noun): A person who investigates and solves crimes.

Different Meanings:

While "undetected" primarily means not noticed, it can be used in various contexts: - In technology: A virus may remain undetected by antivirus software. - In nature: Certain species can remain undetected in their habitats.

Synonyms:

• Unnoticed
• Hidden
• Unseen
• Disguised
• Concealed

Idioms:

There are no direct idioms that include "undetected," but you might hear phrases like: - Under the radar: This means something is happening without drawing attention, similar to "undetected."

Phrasal Verbs:

There aren't specific phrasal verbs that directly correspond to "undetected," but you might see phrases like: - Slip through the cracks: This means to be overlooked or not noticed, similar to being undetected.

Summary:

"Undetected" is a useful word to describe something that is not seen or noticed. It can apply to various situations, from crime to social interactions.

Academic

Adjective

1. not perceived or discerned
   • they feared some undetected trace of poison
   • she looked around to be sure her faux pas was undetected