Understanding One-Word Substitutes

The question asks us to find a single word that correctly replaces the phrase "incapable of being wiped out or effaced". This is a common type of English vocabulary question that tests our knowledge of specific words and their meanings.

Analyzing the Options

Let's look at the meaning of each word provided in the options:

• Irrevocable: This word means something that cannot be changed, reversed, or recovered. For example, an irrevocable decision is one you cannot go back on.
• Ineligible: This word means not allowed or qualified to do or be something. If you are ineligible for a job, you don't meet the requirements.
• Indelible: This word describes something that cannot be removed, washed away, or erased. An indelible mark is permanent. It can also refer to memories or impressions that are lasting and difficult to forget.
• Invincible: This word means too powerful to be defeated or overcome. An invincible army cannot be conquered.

Identifying the Correct Substitute: Indelible

We are looking for a word that means "incapable of being wiped out or effaced". The word "effaced" is closely related to erasing or rubbing out. The phrase implies something that cannot be removed or made to disappear.

Comparing this meaning with the definitions of the options:

• "Irrevocable" relates to change or reversal, not removal or erasure.
• "Ineligible" relates to qualification or eligibility.
• "Invincible" relates to defeat or overcoming power.
• "Indelible" directly relates to being incapable of being removed or erased, which matches the meaning of "incapable of being wiped out or effaced".

Therefore, the word "Indelible" is the correct one-word substitute for the given phrase.

Based on the analysis, "Indelible" is the word that means incapable of being wiped out or effaced.