"The driver was compliant during the stop." What does compliant mean?
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.
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- 16 questions
- Topic drill
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.
"The driver was compliant during the stop." What does compliant mean?
- Cooperative and following directions
- Asleep when officers arrived
- Confused about what happened
- Upset and refusing to answer questions
A paramedic describes the patient as lucid. What does that tell the officer?
- The patient is unconscious and is not breathing
- The patient is drunk and cannot stand up
- The patient is thinking and speaking clearly
- The patient is badly injured and bleeding
Which word is the opposite of permit?
- Require
- Allow
- Inspect
- Prohibit
Which word means the same as vacate?
- Enter
- Leave
- Rent
- Clean
"The man became belligerent when asked to leave." Which word is closest in meaning to belligerent?
- Polite
- Confused
- Tired
- Hostile
An officer notes a discrepancy between two statements. What did the officer find?
- A difference between them
- A typing error in each
- An agreement between them
- A signature on both
"Two people were loitering outside the closed store." What were they doing?
- Breaking the store's front window
- Running away from the scene
- Waiting in line to buy something
- Standing around with no clear purpose
A sergeant asks for a more concise report. What should the officer do?
- Add more detail about every person present
- Rewrite the report in the present tense
- Remove the times and the addresses
- Say the same facts in fewer, clearer words
Choose the word that best fits: "The victim was too ____ to give a statement right away."
- distrustful
- distracted
- distended
- distraught
In a report, what is an accomplice?
- A person who reports a crime to police
- A person who helps commit a crime
- A lawyer who represents the accused
- A person who saw the crime from nearby
"Officers apprehended the suspect two blocks away." What does apprehended mean here?
- Questioned
- Followed
- Released
- Arrested
Why should a report avoid an ambiguous sentence?
- It could be read in more than one way
- It uses too many short words
- It names the officer who wrote it
- It is written in the past tense
"A second witness corroborated the driver's account." What does corroborated mean?
- Disputed
- Confirmed
- Ignored
- Recorded
Why might a report say "the alleged theft" rather than "the theft"?
- Because the theft has been claimed but not proven
- Because the victim asked to stay anonymous
- Because the theft took place a long time ago
- Because the theft was very small in dollar value
Choose the word that best fits: "The officer asked the crowd to ____ so the ambulance could pass."
- dispose
- dispense
- disparage
- disperse
"The driver tried to elude officers by turning off his lights." What does elude mean?
- To follow closely
- To escape or avoid
- To signal or warn
- 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).
Other topics
- The OACP Certificate and police requirementsHow the OACP Certificate works in Ontario (Part A forms, Part B SSPO, Part C personality assessment), and the legal and practical requirements to be appointed a police officer under the Community Safety and Policing Act, 2019.
- Spelling for incident reportsSpot the correctly spelled word in report-style sentences: double letters, -ance and -ence endings, i-before-e exceptions, silent letters and Canadian spellings such as licence and offence.
- Grammar and punctuationSubject-verb agreement, verb tense, clear pronouns, apostrophes, comma splices, fragments and commonly confused words, all in report-style sentences.
- Writing a clear incident reportChoosing facts over opinions, putting events in order, writing specific and concise descriptions and attributing what each person said.
- Deductive reasoningDrawing conclusions that must follow from stated facts and rules: if-then statements, all and some statements, ordering and seating puzzles.
- Inductive reasoning and patternsFinding the rule in number and letter series, analogies and odd-one-out sets, then applying it to the next case.
- Police-style scenariosApplying a stated procedure, matching witness descriptions, tracking directions on a map described in words and working with schedules.
- Numerical reasoning without a calculatorTimes, distances, speeds, averages, percentages and rates in practical police-style problems, worked by hand.