One-Word Substitute: Understanding 'A Thing No Longer in Use'

The goal here is to find a single word that perfectly replaces the phrase 'a thing no longer in use'. Let's examine each option provided.

Analysis: Options for 'A Thing No Longer in Use'

• Obnoxious: This word describes something extremely unpleasant or offensive. It doesn't fit the meaning of being unused or outdated. For example, a very loud and disruptive neighbour could be described as obnoxious.
• Obsolete: This term means something has fallen into disuse, as it's now superseded by newer or better alternatives, or it's simply out of date. This is a direct match for 'a thing no longer in use'. An example is a VCR player in today's world.
• Sick: This word refers to illness or poor health. It has no relation to the concept of something being outdated or no longer functional. For instance, feeling sick after eating bad food is unrelated.
• Redundant: This means something is unnecessary, especially because it has been replaced or because there's too much of it. While an obsolete item is often redundant, 'obsolete' specifically captures the idea of being outdated and no longer in use, which is the core meaning required. For example, an extra employee whose tasks are now automated might be considered redundant.

Selection: Correct Substitute for Outdated Items

Comparing the options, Obsolete is the most precise and fitting one-word substitute for the phrase 'a thing no longer in use'.

Definitions: Key Vocabulary Explained

• Obsolete: Meaning outdated, no longer produced or used.
• Obnoxious: Meaning highly offensive or unpleasant.
• Sick: Meaning unwell or ill.
• Redundant: Meaning not needed or useful; superfluous.

Therefore, Obsolete correctly fills the requirement of a one-word substitute.