Understanding the One-Word Substitute Question

The question asks for a single word that can replace the phrase "Being careful that every detail of something is correct". This phrase describes a person or action characterized by extreme attention to detail, precision, and concern for accuracy.

Analyzing the Options

Let's examine the meaning of each given option to determine which best fits the description:

• Fastidious: This word describes someone who is very attentive to and concerned about accuracy and detail. It can also mean someone who is very concerned about cleanliness or neatness, or who is difficult to please. The primary meaning related to being careful about details and correctness aligns well with the given phrase.
• Squeamish: This term refers to a person who is easily disgusted, nauseated, or shocked by unpleasant things, especially blood or injury. It can also mean someone who is easily offended or excessively prim. This meaning is not related to being careful about details.
• Stubborn: This word describes someone who has or shows dogged determination not to change one's attitude or position on something, especially in spite of good reasons to do so. It means being obstinate or inflexible. This is unrelated to attention to detail or correctness.
• Impregnable: This adjective is used to describe a fortress or position that is unable to be captured or broken into. It can also describe arguments or statements that are unable to be challenged or defeated. This meaning is completely different from being careful about details.

Identifying the Correct One-Word Substitute

Comparing the meanings, the word "Fastidious" most accurately describes the act or characteristic of "Being careful that every detail of something is correct". It directly relates to having a meticulous approach and a strong concern for accuracy and precision.

Revision Table: Word Meanings

Conclusion

Based on the analysis of the meanings of the options, the word that best serves as a one-word substitute for "Being careful that every detail of something is correct" is Fastidious.

Additional Information on Fastidious and Attention to Detail

The quality of being fastidious is often seen in professions where precision is crucial, such as editing, accounting, scientific research, or complex engineering. A fastidious person pays close attention to minor points and aims for a very high standard of accuracy and completeness. While being fastidious can be a positive trait leading to high-quality work, in some contexts, it can also imply being overly picky or difficult to satisfy.