100 Advanced IELTS Vocabulary Words to Boost Your Band Score

A strong vocabulary is a key factor in achieving a high band score in the IELTS examination. By using advanced and uncommon words in your speaking and writing, you can impress the examiner and showcase your English language skills. In this article, we will provide you with a comprehensive list of 100 advanced IELTS vocabulary words to help you enhance your language proficiency and achieve the desired band score.

Importance of Advanced Vocabulary in IELTS

To excel in the IELTS examination, you must have a solid grasp of academic vocabulary. Your lexical knowledge is assessed on parameters such as variety, accuracy, suitability, and the ability to use synonyms. The more sophisticated and elegant your answers are, the higher your IELTS score will be. Therefore, it is crucial to expand your vocabulary with rare and unique words to improve your performance.

How to Improve Your IELTS Vocabulary

Improving your IELTS vocabulary can be a challenging task. However, incorporating activities such as reading newspapers, journals, magazines, fiction, and non-fiction books in your daily routine can significantly increase your vocabulary. Additionally, practicing with our list of 100 advanced IELTS vocabulary words will undoubtedly be beneficial.

Advanced IELTS Vocabulary Words: A Comprehensive List


  1. Aberration: a state or condition markedly different from the norm
  2. Abhor: feel hatred or disgust toward
  3. Acquiesce: agree or express agreement
  4. Alacrity: liveliness and eagerness
  5. Amiable: diffusing warmth and friendliness
  6. Appease: make peace with
  7. Arcane: requiring secret or mysterious knowledge
  8. Avarice: reprehensible acquisitiveness; insatiable desire for wealth


  1. Brazen: unrestrained by convention or propriety
  2. Brusque: rudely abrupt or blunt in speech or manner


  1. Cajole: influence or urge by gentle urging, caressing, or flattering
  2. Callous: emotionally hardened
  3. Candor: the quality of being honest and straightforward
  4. Chide: scold or reprimand severely or angrily
  5. Circumspect: careful to consider potential consequences and avoid risk
  6. Clandestine: conducted with or marked by hidden aims or methods
  7. Coerce: cause to do through pressure or necessity
  8. Coherent: marked by an orderly and consistent relation of parts
  9. Complacency: the feeling you have when you are satisfied with yourself


  1. Confidant: someone to whom private matters are told
  2. Connive: form intrigues (for) in an underhand manner
  3. Cumulative: increasing by successive addition


  1. Debase: make impure by adding a foreign or inferior substance
  2. Decry: express strong disapproval of
  3. Deferential: showing courteous regard for people's feelings
  4. Demure: shy or modest, often in a playful or provocative way
  5. Deride: treat or speak of with contempt
  6. Despot: a cruel and oppressive dictator
  7. Diligent: quietly and steadily persevering in detail or exactness


  1. Elated: exultantly proud and joyful; in high spirits
  2. Eloquent: expressing yourself readily, clearly, effectively
  3. Embezzle: appropriate fraudulently to one's own use
  4. Empathy: understanding and entering into another's feelings
  5. Enmity: a state of deep-seated ill-will
  6. Erudite: having or showing profound knowledge


  1. Extol: praise, glorify, or honor
  2. Fabricate: put together out of artificial or natural components
  3. Feral: wild and menacing


  1. Flabbergasted: as if struck dumb with astonishment and surprise
  2. Forsake: leave someone who needs or counts on you; leave in the lurch
  3. Fractious: easily irritated or annoyed
  4. Furtive: secret and sly
  5. Gluttony: habitual eating to excess
  6. Gratuitous: unnecessary and unwarranted
  7. Haughty: having or showing arrogant superiority
  8. Hypocrisy: pretending to have qualities or beliefs that you do not have


  1. Impeccable: without error or flaw
  2. Impertinent: improperly forward or bold
  3. Implacable: incapable of being appeased or pacified
  4. Impudent: improperly forward or bold
  5. Incisive: demonstrating ability to recognize or draw fine distinctions
  6. Indolent: disinclined to work or exertion
  7. Inept: generally incompetent and ineffectual
  8. Infamy: a state of extreme dishonor
  9. Inhibit: limit the range or extent of
  10. Innate: present at birth but not necessarily hereditary
  11. Insatiable: impossible to fulfill, appease, or gratify
  12. Insular: relating to or characteristic of or situated on an island


  1. Intrepid: invulnerable to fear or intimidation
  2. Inveterate: habitual
  3. Jubilant: full of high-spirited delight


  1. Knell: the sound of a bell rung slowly to announce a death


  1. Lithe: moving and bending with ease
  2. Lurid: glaringly vivid and graphic; marked by sensationalism


  1. Maverick: someone who exhibits independence in thought and action
  2. Meticulous: marked by precise accordance with details
  3. Modicum: a small or moderate or token amount
  4. Morose: showing a brooding ill humor
  5. Myriad: a large indefinite number


  1. Nadir: the lowest point of anything
  2. Nominal: relating to or constituting or bearing or giving a name
  3. Novice: someone new to a field or activity
  4. Nuance: a subtle difference in meaning or opinion or attitude


  1. Oblivious: lacking conscious awareness of
  2. Obsequious: attempting to win favor from influential people by flattery
  3. Obtuse: of an angle, between 90 and 180 degrees


  1. Parody: a composition that imitates or misrepresents a style
  2. Penchant: a strong liking or preference
  3. Perusal: the act of examining or reading carefully
  4. Plethora: extreme excess
  5. Predilection: a predisposition in favor of something


  1. Quaint: attractively old-fashioned


  1. Rash: imprudently incurring risk
  2. Refurbish: improve the appearance or functionality of
  3. Repudiate: refuse to acknowledge, ratify, or recognize as valid
  4. Rife: excessively abundant


  1. Salient: conspicuous, prominent, or important
  2. Serendipity: good luck in making unexpected and fortunate discoveries
  3. Staid: characterized by dignity and propriety


  1. Superfluous: more than is needed, desired, or required
  2. Sycophant: a person who tries to please someone to gain an advantage
  3. Taciturn: habitually reserved and uncommunicative
  4. Truculent: defiantly aggressive


  1. Umbrage: a feeling of anger caused by being offended


  1. Venerable: profoundly honored
  2. Vex: disturb, especially by minor irritations
  3. Vociferous: conspicuously and offensively loud


  1. Wanton: a lewd or immoral person


  1. Zenith: the highest point of something


By incorporating these 100 advanced IELTS vocabulary words into your speaking and writing, you will be well on your way to boosting your overall IELTS band score. Remember, practice makes perfect, so use these words regularly in your conversations and writing exercises to become more comfortable and confident in using them during the examination. Good luck!