ensure - Master This Word
Master this word with our 5-step learning method – Learn English in English
ensure Word Meanings
- to make sure or certain
- to guarantee or secure something
- to provide assurance
ensure Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
ensure Phonetic & Pronunciation
UK
/ɪnˈʃɔː/
US
/ɪnˈʃɊr/
ensure Word Etymology
en- means 'to make' + sure comes from 'surer', meaning 'certain'. Historical origin: Latin → Old French → English. Memory image: picture a person double-checking their keys to ensure they lock the door.
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 InputEnglish Brain Route
I pause, place my hand on the control panel and move my attention to the next step. I test the switch and push a little, and adjust the dial until it feels steady. The effort tightens my chest as I keep watching for a wobble and I correct it before it shifts. Only when the latch clicks do I let the result stand as real, sure that I have done enough to ensure it works.
Real Context
Ensure is a verb meaning to make sure or certain, to guarantee or secure something, or to provide assurance about a result. It is used when you want to emphasize planning, checks, or actions that prevent problems. You can say 'Please ensure you lock the door' or 'We need to ensure that all safety measures are in place.' It commonly appears in formal or professional writing, but you will also hear it in everyday speech by speakers who want to sound precise. After a noun or verb, you often follow with 'that' or an infinitive clause: 'to ensure that' or 'to ensure coming.'
Usage Reminders
- Think about whether you need that-clause or to-infinitive after ensure; use in formal writing; avoid informal synonyms in professional contexts; pair with safety, quality, or compliance nouns; rephrase with make sure for casual talk; check for overlap with guarantee when there is risk.
Common Misconceptions
- Confusing ensure with make sure in all contexts
- Using ensure with to infinitive (ensure to do something) is generally incorrect
- Thinking ensure only applies to physical security
- Misplacing that in a sentence like ensure that to be safe
- Assuming guarantee and ensure are interchangeable in every context
Thinking Differences
English tends to value formality and precise obligation; ensure often replaces more casual make sure in writing, emphasizing process and verification rather than mere intention.
Learning Tips
- Practice both 'that' clauses and infinitives after ensure
- Compare with make sure to feel the formality difference
- Create real-world sentences about safety, quality, and compliance
- Use checklists and procedures in examples to reinforce planning
- Listen for ensure in formal dialogues or reports
- Avoid mixing with guarantee when risk is involved
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the meaning of the word 'ensure'?
A.Make sure
B.Forget
C.Complicated
D.Delay
Step 2: Usage
How is 'ensure' used in a sentence?
A.It was a very ensure day at work.
B.He forgot to ensure his keys.
C.She ensured to lock the door before leaving.
D.They delayed to ensure the project.
Step 3: Similar Words
Which word is similar to 'ensure'?
A.Guarantee
B.Avoid
C.Confuse
D.Break
Step 4: Opposite Words
Which word is the opposite of 'ensure'?
A.Neglect
B.Honor
C.Peace
D.Assist
Step 5: Mastery
In what real-life scenario would someone need to ensure something?
A.Forgetting to lock the car door
B.Making sure to turn off the stove before leaving the house
C.Leaving important documents unattended
D.Missing a deadline intentionally
Related Listening
🌱 Lite (Beginner)
🔥 Advanced
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