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Question

Direction: Each item in this section consists of a sentence with an underlined word followed by four words or group of words. Select the option that is opposite in meaning to the underlined word and mark your response on the Answer Sheet accordingly.

Everyone has to fight the inertia  in the system.

This question was previously asked in
CDS I 2020 Elementary Mathematics Previous Year Paper (02-Feb-2020)
The correct answer is

activity

Finding the Antonym of 'Inertia'

The question asks us to find the word or group of words that is opposite in meaning to the underlined word "inertia" in the sentence: "Everyone has to fight the inertia in the system."

Understanding 'Inertia' in the Sentence

In this context, "inertia" refers to a tendency to remain in a state of inactivity or to resist change or action. It suggests a lack of movement, energy, or willingness to act within the system.

Analyzing the Options

Let's look at the meaning of each option provided:

  • sluggishness: This means being slow-moving or inactive. This is similar in meaning to inertia.
  • indolence: This means avoidance of activity or exertion; laziness. This is also similar in meaning to inertia.
  • activity: This means the condition in which things are happening or being done; energetic action. This is the opposite of inactivity or resistance to action.
  • torpor: This means a state of physical or mental inactivity; lethargy. This is similar in meaning to inertia.

Identifying the Antonym

We are looking for the word that has the opposite meaning of "inertia" (inactivity, resistance to change/action). Comparing the meanings of the options, "activity" is the direct opposite of "inertia". While inertia is about resistance and lack of movement, activity is about doing things and taking action.

Detailed Comparison

Word Meaning (in context) Relationship to Inertia
Inertia Resistance to action or change; inactivity The base word to find the opposite of
Sluggishness Slow-moving, inactive Similar meaning (Synonym)
Indolence Laziness, avoidance of activity Similar meaning (Synonym)
Activity Energetic action, state of being busy Opposite meaning (Antonym)
Torpor Lethargy, inactivity Similar meaning (Synonym)

Conclusion

Based on the analysis, the word that is opposite in meaning to "inertia" is "activity".

Revision Table: Antonyms for Inertia

Word Antonym
Inertia Activity, action, movement, energy, dynamism

Additional Information: Understanding Synonyms and Antonyms

Understanding synonyms and antonyms is crucial for vocabulary building and comprehension.

  • Synonym: A word that has the same or nearly the same meaning as another word. Examples: big/large, happy/joyful, quick/fast. Sluggishness, indolence, and torpor are synonyms for inertia in various contexts.
  • Antonym: A word that means the opposite of another word. Examples: hot/cold, up/down, light/dark. Activity is an antonym for inertia.

Identifying the correct synonym or antonym often depends on the specific context in which the word is used.

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