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sure - Master This Word

Master this word with our 5-step learning method – Learn English in English

sure Word Meanings

  • certain or confident about something
  • not having any doubt
  • reliable or of good quality
Illustration for this word

sure Example Sentences

Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.

sure Phonetic & Pronunciation

Pronunciation
UK /ʃɔː/
US /ʃʊr/
Syllables
sure

sure Word Etymology

sure = sur- (over) + e (suffix); Latin → Old French → English. Remember a person standing firm, hands on hips, confidently ensuring everything is okay.

Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.

Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.

Read the FAQ explanation of Comprehensible Input

English Brain Route

I rest my hand on the door handle and pull it open, then push a question into my mind and move toward a choice I feel I can be sure about. Watching my surroundings, I shift my posture and hold my gaze steady as a small sense of certainty grows. I adjust my pace, test a few doubts, and let the rhythm of decision push me forward. When the path feels clear, I stand taller and move ahead, feeling sure as the plan falls into place.

Real Context

Sure is a flexible word that expresses certainty, confidence, or reliability in English. It can mean being certain about a fact, convinced by evidence, or simply agreeing with a request in a friendly way. You say, Are you sure about that? to ask for verification, or Sure, I can help to offer assistance. It can describe a person who seems confident and trustworthy, or a product that seems dependable. Learners often mix sure with certain or not having any doubt, but sure can be less formal than certain and more conversational, especially in replies like Sure! or Sure thing. Tone matters: stressed sure sounds bold, while a soft sure might indicate doubt or hesitation.

Usage Reminders

  • Use sure for casual agreement or offers.
  • Reserve for formal writing; use certainly or be sure.
  • Notice the tone when pronouncing sure; stressed sounds more confident.
  • Pair with phrases like Are you sure? or Sure, I can help.
  • Do not mix with certain in meaning; sure is more conversational.

Common Misconceptions

  • Sure always means 100 percent certain
  • Sure is the same as yes
  • Sure is never formal
  • Sure can replace all instances of certainly
  • Sure has no regional variation or tone

Thinking Differences

Sure is a very common, versatile word in English, used in friendly, informal contexts and in quick replies. Learners often overgeneralize it to replace more precise words like certainly or be sure, especially in formal writing. Note the tone, and remember that a stressed Sure can sound bold, while a soft Sure may seem hesitant.

Learning Tips

  • Know when to use sure vs certain vs certainly
  • Practice with Are you sure? to request verification
  • Use Sure for friendly replies like Sure, I can help
  • Pay attention to stress; strong Sure sounds confident
  • Avoid using Sure in formal writing unless it's a quote or casual tone
  • Record yourself saying Sure in different contexts to hear nuance

5-Step Learning Method - Learn English in English

Step 1: Meaning

What does the word 'sure' mean?

A.Positive
B.Uncertain
C.Doubtful
D.Hopeful
Step 2: Usage

Which sentence below uses the word 'sure' correctly?

A.Sure is a type of fabric material.
B.I'm not sure if I can finish the project on time.
C.I am sure in a windy environment.
D.Sure me that you will attend the party.
Step 3: Similar Words

Which word is most similar to 'sure'?

A.Anxious
B.Discreet
C.Confident
D.Comprehend
Step 4: Opposite Words

What is the opposite of the word 'sure'?

A.Optimistic
B.Doubtful
C.Secure
D.Eager
Step 5: Mastery

Can you give an example of a real-life scenario using the word 'sure'?

A.I hope my friend will pick me up, hopefully.
B.I am confident about passing the test.
C.I doubt that the plan will work out.
D.She is anxious about the upcoming presentation.

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