OACP overview

OACP: Vocabulary

The meaning of words that come up in reports and police work, synonyms and antonyms, and choosing the word that fits a sentence.

  • 16 questions
  • Topic drill
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Vocabulary · Question 1Score 0/0

"The driver was compliant during the stop." What does compliant mean?

Study reference: OACP Certificate study notes (Oct 2026), Ch. 3 Vocabulary — report and justice words

All 16 questions in this test

Every question and its answer choices. The correct answers and explanations appear when you take the test above.

  1. "The driver was compliant during the stop." What does compliant mean?

    1. Cooperative and following directions
    2. Asleep when officers arrived
    3. Confused about what happened
    4. Upset and refusing to answer questions
  2. A paramedic describes the patient as lucid. What does that tell the officer?

    1. The patient is unconscious and is not breathing
    2. The patient is drunk and cannot stand up
    3. The patient is thinking and speaking clearly
    4. The patient is badly injured and bleeding
  3. Which word is the opposite of permit?

    1. Require
    2. Allow
    3. Inspect
    4. Prohibit
  4. Which word means the same as vacate?

    1. Enter
    2. Leave
    3. Rent
    4. Clean
  5. "The man became belligerent when asked to leave." Which word is closest in meaning to belligerent?

    1. Polite
    2. Confused
    3. Tired
    4. Hostile
  6. An officer notes a discrepancy between two statements. What did the officer find?

    1. A difference between them
    2. A typing error in each
    3. An agreement between them
    4. A signature on both
  7. "Two people were loitering outside the closed store." What were they doing?

    1. Breaking the store's front window
    2. Running away from the scene
    3. Waiting in line to buy something
    4. Standing around with no clear purpose
  8. A sergeant asks for a more concise report. What should the officer do?

    1. Add more detail about every person present
    2. Rewrite the report in the present tense
    3. Remove the times and the addresses
    4. Say the same facts in fewer, clearer words
  9. Choose the word that best fits: "The victim was too ____ to give a statement right away."

    1. distrustful
    2. distracted
    3. distended
    4. distraught
  10. In a report, what is an accomplice?

    1. A person who reports a crime to police
    2. A person who helps commit a crime
    3. A lawyer who represents the accused
    4. A person who saw the crime from nearby
  11. "Officers apprehended the suspect two blocks away." What does apprehended mean here?

    1. Questioned
    2. Followed
    3. Released
    4. Arrested
  12. Why should a report avoid an ambiguous sentence?

    1. It could be read in more than one way
    2. It uses too many short words
    3. It names the officer who wrote it
    4. It is written in the past tense
  13. "A second witness corroborated the driver's account." What does corroborated mean?

    1. Disputed
    2. Confirmed
    3. Ignored
    4. Recorded
  14. Why might a report say "the alleged theft" rather than "the theft"?

    1. Because the theft has been claimed but not proven
    2. Because the victim asked to stay anonymous
    3. Because the theft took place a long time ago
    4. Because the theft was very small in dollar value
  15. Choose the word that best fits: "The officer asked the crowd to ____ so the ambulance could pass."

    1. dispose
    2. dispense
    3. disparage
    4. disperse
  16. "The driver tried to elude officers by turning off his lights." What does elude mean?

    1. To follow closely
    2. To escape or avoid
    3. To signal or warn
    4. To surrender quickly

Vocabulary: key rules to remember

Our summary of what the official handbook says on this topic, in our own words. Read it before or after the practice questions above, then check the original chapter. Read the official chapter ↗

vocabulary (Pearson product page)

  • Vocabulary items ask for the meaning of words used in reports and police work; reading level is about grade 9.

Common report and justice vocabulary (our study notes)

  • Apprehend: to arrest or catch. Detain: to hold back or keep in custody for a time.
  • Corroborate: to confirm with other evidence. Contradict: to say the opposite.
  • Discrepancy: a difference between two things that should match.
  • Belligerent: hostile and ready to fight. Compliant: following requests or rules.
  • Intoxicated: affected by alcohol or drugs. Lucid: thinking clearly.
  • Vacate: to leave a place. Loiter: to stay around without a clear purpose.
  • Alleged: said to have happened but not yet proven. Verified: checked and confirmed.
  • Accomplice: a person who helps commit a crime. Bystander: a person who is present but not involved.
  • Pursue: to follow in order to catch. Elude: to escape or avoid.
  • Concise: short and clear. Ambiguous: open to more than one meaning.
  • Synonyms share a meaning (prohibit / forbid); antonyms have opposite meanings (permit / prohibit).

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