Vocabulary for IELTS Academic (Band 5) - Adverbs of Certainty

Here, you will learn some Adverbs of Certainty that are necessary for the Basic Academic IELTS exam.

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surely [adverb]

in a manner showing absolute confidence in the statement

Ex: The train will surely arrive on time ; it 's known for its punctuality .

maybe [adverb]

used to show uncertainty or hesitation

Ex: The new employee might join our team , but it 's not confirmed , maybe next week .

potentially [adverb]

in a manner expressing the capability or likelihood of something happening or developing in the future

Ex: The team 's innovative idea could potentially revolutionize the industry .

unlikely [adjective]

having a low chance of happening or being true

Ex: Winning the lottery is unlikely , given the astronomical odds against it .

definitely [adverb]

in a certain way

Ex: We are definitely going on vacation next month .

certainly [adverb]

in an assured manner, leaving no room for doubt

Ex: I will certainly consider your suggestion for the project .

clearly [adverb]

without any uncertainty

Ex: The evidence clearly shows that he was not at the scene of the crime .

possibly [adverb]

used to express that something might happen or be true

Ex: She could possibly attend the event , depending on her schedule .

probably [adverb]

used to show likelihood or possibility without absolute certainty

Ex: It will probably rain later in the evening , so bring an umbrella .

perhaps [adverb]

used to express possibility or likelihood of something

Ex: She will perhaps consider the job offer , but she 's exploring other options .

(most|very) likely [adverb]

used to suggest that there is a strong chance of something happening

Ex: They will very likely surpass their fundraising goal for the charity event .

undoubtedly [adverb]

used to say that there is no doubt something is true or is the case

Ex: Undoubtedly , the concert was the highlight of the festival , attracting a huge crowd .

Vocabulary for IELTS Academic (Band 5)
Size and Scale	Dimensions	Weight and Steadiness	Increase in Amount
Decrease in Amount	High Intensity	Low Intensity	Space and Area
Shapes	Speed	Significance	Influence and Strength
Uniqueness	Complexity	Value	Quality
Challenges	Wealth and Success	Poverty and Failure	Appearance
Age	Body Shape	Wellness	Textures
Intelligence	Positive Human Traits	Negative Human Traits	Moral Traits
Emotional Responses	Emotional States	Social Behaviours	Tastes and Smells
Sounds	Temperature	Probability	Relational Actions
Body Language and Gestures	Postures and Positions	Opinions	Thoughts and Decisions
Knowledge and Information	Encouragement and Discouragement	Request and Suggestion	Regret and Sadness
Respect and Approval	Attempt and Prevention	Physical Actions and Reactions	Movements
Commanding and Giving Permissions	Engaging in Verbal Communication	Understanding and Learning	Perceiving The Senses
Resting and Relaxing	Touching and Holding	Eating and Drinking	Preparing Food
Changing and Forming	Organising and Collecting	Creating and Producing	Science
Education	Research	Astronomoy	Physics
Biology	Chemistry	Geology	Psychology
Mathematics	Graphs and Figures	Geometry	Environment
Energy and Power	Landscapes and Geography	Technology	Computer
Internet	Manufacture and Industry	History	Religion
Culture and Custom	Language and Grammar	Arts	Music
Film and Theatre	Literature	Architecture	Marketing
Finance	Management	Medicine	Sickness and Symptoms
Law	Crime	Punishment	Politics
War	Measurement	Positive Emotions	Negative Emotions
Animals	Weather	Food and Drinks	Travel and Tourism
Pollution	Migration	Disasters	Materials
Adverbs of Manner	Adverbs of Comment	Adverbs of Certainty	Adverbs of Frequency
Adverbs of Time	Adverbs of Place	Adverbs of Degree	Adverbs of Emphasis
Adverbs of Purpose and Intention	Conjunctive Adverbs