unsure - Master This Word
Master this word with our 5-step learning method – Learn English in English
unsure Word Meanings
- not certain or confident
- having doubts
- feeling uncertain about something
unsure Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
unsure Phonetic & Pronunciation
UK
/ʌnˈʃɔː/
US
/ʌnˈʃʊr/
unsure Word Etymology
un- = not, sure = certain. Originated from Middle English, influenced by Old French, ultimately from Latin. Picture someone hesitating at a crossroads, uncertain of which path to take.
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 InputReal Context
Unsure means not certain or confident about something, often because information is incomplete or signals are conflicting. It describes a feeling or stance rather than a fact. You can say 'I am unsure about the plan' or 'I'm unsure which direction to take.' The word sits between 'uncertain' and 'hesitant' in nuance: it signals personal doubt without the stronger implication of risk. In everyday speech, 'unsure' is common when people are deciding or evaluating options, and it frequently collocates with about, whether, or which. Handle with care: avoid overusing it in formal writing; instead, switch to 'uncertain' for more formal contexts or 'confident' when certainty is present.
Usage Reminders
- Be sure to pair unsure with about, whether, or which to show exactly what you doubt. Use it for personal feelings, not rigid facts. It sounds informal; reserve 'uncertain' for more formal writing. Avoid 'unsure of' in favor of 'unsure about' in most cases. If you want stronger doubt, choose 'not sure' or 'uncertain' depending on context.
Common Misconceptions
- Unsure is interchangeable with uncertain in all contexts.
- You can say 'unsure to do something'.
- Unsure means you are certain but hesitant.
- Unsure always describes a fact, not a feeling.
- You should use unsure with people (e. g., 'I am unsure of him').
Thinking Differences
English speakers often separate 'unsure' as a casual, personal doubt; it’s less formal than 'uncertain.'
Learning Tips
- Compare unsure with uncertain and not sure to feel the strength of each nuance.
- Practice with about, which, and whether in questions and statements.
- Use contractions (I'm unsure) to sound natural in speech.
- Create short dialogues showing a progression from unsure to confident.
- Avoid 'unsure of' in most cases; prefer 'unsure about'.
- Listen for native speakers choosing unsure in casual conversation.
5-Step Learning Method - Learn English in English
Step 2: Usage
Which sentence uses 'unsure' correctly?
A.I feel certain about the answer.
B.She was doubtful of her decision.
C.He is confident in his abilities.
D.They are always happy.
Step 3: Similar Words
What is a synonym for 'unsure'?
A.Positive
B.Sure
C.Confident
D.Uncertain
Step 4: Opposite Words
In what situation would you feel unsure?
A.Trying something new for the first time
B.Having no doubts about a decision
C.Knowing all the answers to a test
D.Being confident in your skills
Step 5: Mastery
Can you give an example of when you felt unsure?
A.Example 1
B.Example 3
C.Example 2
D.Example 4
Related Listening
🔥 Advanced
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