Select the word which means the opposite of the given word-
Obscure
(a)Implicit
(b)Obnoxious
(c)Explicit
(d)Prosaic

Hint: We need to find the antonym of the word obscure. Read the question and try to understand the context, it will give you an idea about the meaning of the given word. Now go through the options and recall their meaning. The one opposite to the meaning of obscure is the answer.

Complete answer: An antonym or an opposite refers to a word that is contrary in meaning to another word. For example- Like is an antonym for dislike.
‘Obscure’ refers to something or someone who is unclear or doubtful. The word ‘obscure’ has been derived from the Latin word- Obscurus, which means dark.
We know the meaning and the origin of the word ‘obscure’. Now, let’s look at its usage:
For example- The origin and history of this book are obscure. Here, we can conclude that the history and origin of a book, X, is unclear and unknown.
Let’s examine the meaning of the given options-
Option a- ‘Implicit’ refers to something that is understood or inferred but not directly. For example- The children believed they had implicit permission to play in the woods. ‘Implicit’ is different in meaning to the given context. Hence, it is an incorrect option.
Option b- ‘Obnoxious’ refers to something offensive or disagreeable. For example- They were thrown out of the café for their obnoxious debate. ‘Obnoxious’ is different in meaning to the given context. Hence, it is an incorrect option.
Option c- ‘Explicit’ refers to something obvious or direct. For example- The teacher had explicitly mentioned the details of the test. ‘Explicit’ is opposite in meaning to the given context. Hence, it is the correct option.
Option d- ‘Prosaic’ refers to something that lacks inspiration and imagination. For example- My brother is fond of writing prosaic poetry. ‘Prosaic’ is different in meaning to the given context. Hence, it is an incorrect option.
The correct answer is Option ‘c’.

Note: Some other antonyms for ‘obscure’ are; definite, obvious, straightforward, etc while some synonyms for ‘obscure’ are; ambiguous, enigmatic, confusing, etc.