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100 Vocabulary Boosters for OET (Occupational English Test)

March 9, 2026

100 Vocabulary Boosters for OET (Occupational English Test)

No. Term Definition
1. Abate Become less intense.
2. Abdomen Belly area between chest and pelvis.
3. Abnormal Not typical; unusual.
4. Abscess Pus-filled infected pocket.
5. Acute Sudden onset; short duration.
6. Adhere Stick to; follow closely.
7. Adverse Harmful; unfavorable.
8. Affect Influence; cause change.
9. Aggravate Make worse; intensify.
10. Allergy Immune reaction to a substance.
11. Ambulate Walk; move about.
12. Amend Change to improve; revise.
13. Analgesic Pain-relieving medicine.
14. Anemia Low red blood cell level.
15. Antibiotic Drug that fights bacterial infection.
16. Anticoagulant Drug that reduces blood clotting.
17. Apathy Lack of interest or concern.
18. Appetite Desire to eat.
19. Assess Evaluate carefully.
20. Asymptomatic Showing no symptoms.
21. Atrophy Wasting or shrinking of tissue.
22. Bacterium Single-celled microorganism.
23. Benign Not cancerous; harmless.
24. Biopsy Tissue sample for testing.
25. Bleeding Loss of blood from vessels.
26. Blister Fluid-filled skin bubble.
27. Blood pressure Force of blood against arteries.
28. Bruise Skin discoloration from bleeding.
29. Burn Tissue damage from heat or chemicals.
30. Calculate Work out; compute.
31. Calm Free from agitation; relaxed.
32. Cancer Uncontrolled abnormal cell growth.
33. Cardiac Related to the heart.
34. Care plan Planned actions for patient care.
35. Caution Care to avoid danger.
36. Chronic Long-lasting; persistent.
37. Circulation Movement of blood through body.
38. Clarify Make clear; explain.
39. Clot Thickened mass of blood.
40. Cognitive Related to thinking and memory.
41. Complication Unexpected problem during illness.
42. Comply Follow rules or instructions.
43. Conscious Awake and aware.
44. Consent Permission after understanding information.
45. Contagious Able to spread between people.
46. Contraindicated Not advised; may cause harm.
47. Contribute Help bring about a result.
48. Counsel Give advice and support.
49. Critical Very serious; life-threatening.
50. Culture (lab) Grow microbes for identification.
51. Dehydration Too little body water.
52. Dementia Progressive decline in memory and thinking.
53. Denies States something is not present.
54. Depression Persistent low mood and interest.
55. Diagnose Identify disease from signs and tests.
56. Diarrhea Frequent loose or watery stools.
57. Discharge Release from care; or bodily fluid.
58. Dizzy Feeling unsteady or lightheaded.
59. Dosage Amount of medicine to take.
60. Drowsy Sleepy; hard to stay awake.
61. Duration Length of time.
62. Edema Swelling from fluid buildup.
63. Efficacy Ability to produce desired effect.
64. Elderly Older adult; aged.
65. Eligible Meeting required conditions.
66. Emergency Sudden serious situation needing action.
67. Empathy Understanding another’s feelings.
68. Endorse Support; approve officially.
69. Endure Tolerate; withstand.
70. Enquire Ask for information.
71. Ensure Make certain; guarantee.
72. Episode Single event of illness or symptoms.
73. Escalate Increase; become more severe.
74. Essential Absolutely necessary.
75. Estimate Approximate calculation.
76. Evaluate Judge value or condition.
77. Exacerbate Make a condition worse.
78. Examine Check carefully.
79. Exclude Rule out; leave out.
80. Exposure Contact with a harmful agent.
81. Faint Brief loss of consciousness.
82. Fatigue Extreme tiredness.
83. Fever Elevated body temperature.
84. Follow-up Later check after treatment.
85. Fracture Broken bone.
86. Frequent Happening often.
87. Gastrointestinal Related to stomach and intestines.
88. Guideline Recommended standard for practice.
89. Headache Pain in the head.
90. Heart rate Number of heartbeats per minute.
91. Hygiene Practices that maintain cleanliness.
92. Hypertension High blood pressure.
93. Hypotension Low blood pressure.
94. Immunization Protection via vaccine.
95. Impairment Reduced ability or function.
96. Infection Invasion by harmful microorganisms.
97. Inflammation Redness and swelling response.
98. Informed consent Permission after risks explained.
99. Inhale Breathe in.
100. Initiate Start; begin.
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