Subject guide
The vocabulary portion of the Civil Service Exam tests whether you can identify a word's meaning, choose precise synonyms and antonyms, and pick the right word for a sentence's context. You score highest by reading the whole sentence, predicting the meaning before looking at the choices, and watching for near-synonyms that do not fit the tone.
Vocabulary items reward precise word knowledge, not vague familiarity. You will typically see three formats:
Relevance to your level
Vocabulary is tested in both the Professional and Sub-Professional levels as part of verbal ability, in English and Filipino. It is one of the fastest subjects to improve, so it is a smart early focus.
Question 1
Choose the word that is most nearly the SAME in meaning as meticulous: The auditor was meticulous when checking each receipt.
Correct answer: B. thorough
Why: "Meticulous" means showing great attention to detail. "Thorough" matches that meaning. "Careless" is its opposite, while "generous" and "hesitant" describe unrelated traits.
Learning objective: Identify precise synonyms for descriptive adjectives.
Question 2
Choose the word OPPOSITE in meaning to scarce: Clean water was scarce after the storm.
Correct answer: C. abundant
Why: "Scarce" means in short supply. Its antonym is "abundant," meaning plentiful. "Rare" and "limited" are near-synonyms of scarce, and "hidden" describes location, not quantity.
Learning objective: Distinguish antonyms from near-synonyms.
Question 3
Complete the sentence with the best word: Because the policy was written in ___ language, even new employees understood it at once.
Correct answer: B. lucid
Why: The clause says employees understood it immediately, so the language must be clear. "Lucid" means clear and easy to understand. "Ambiguous" (unclear), "technical" (specialized), and "verbose" (wordy) all contradict the result described.
Learning objective: Select the word whose meaning fits the sentence's logic.
Question 4
Choose the word that best completes the analogy: FRUGAL is to WASTEFUL as HUMBLE is to ___.
Correct answer: C. arrogant
Why: Frugal and wasteful are antonyms, so the second pair must also be antonyms. The opposite of "humble" is "arrogant." "Modest" is a synonym of humble, and "quiet" and "honest" are unrelated.
Learning objective: Recognize antonym relationships in word analogies.
Question 5
Choose the word most nearly the SAME in meaning as diligent: A diligent clerk filed every document on time.
Correct answer: B. hardworking
Why: "Diligent" describes steady, careful effort, so "hardworking" is the closest synonym. "Lazy" and "forgetful" are opposites of the trait, and "cheerful" describes mood, not work ethic.
Learning objective: Match adjectives describing work ethic to their synonyms.
Learn words in context rather than from isolated lists, study common prefixes and roots, and review every word you miss in a personal log. Daily practice with synonym, antonym, and sentence-completion items builds the precision the exam rewards.
No. Verbal ability is tested in both English and Filipino, so build comfort with word meanings and usage in both languages.
Predict the meaning before reading the choices, then match it. Pay attention to connotation — words can share a definition but differ in tone — and use elimination to remove the clear mismatches.
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