Choose the correct antonym (word opposite in meaning) from the given choices of ‘Fluorescent’?AglowLuminousObscureVivid

To determine the correct antonym of the word "Fluorescent," let's first analyze the meaning of the word and then evaluate the provided options.

Breakdown of the Problem

1. Understanding the term "Fluorescent": The term "fluorescent" describes something that emits light, particularly visible light, when exposed to radiation—often ultraviolet light. It suggests brightness, vividness, and clarity.

Relevant Concepts

2. Identifying potential antonyms: Antonyms are words with opposite meanings. We need to find a word from the list that conveys a lack of brightness or visibility.

Options Analysis

3. Evaluate each option:
   • Aglow: Implies a soft glowing light; this would be a synonym for bright rather than its opposite.
   • Luminous: Refers to something that is emitting or reflecting light; also a synonym for bright.
   • Obscure: Suggests something that is not clear or hard to perceive, which conveys a sense of dimness or lack of light.
   • Vivid: Stands for strong, clear, or intense; related to brightness.

Verify and Summarize

4. Conclusion on antonyms: Among the options:
   • "Aglow" and "Luminous" suggest brightness.
   • "Vivid" implies clarity but is associated with brightness.
   • "Obscure" is the only option that aligns with the meaning of lacking brightness or clarity.

Final Answer

The correct antonym for "Fluorescent" is Obscure.