sentry - Master This Word
Master this word with our 5-step learning method – Learn English in English
sentry Word Meanings
- a soldier or guard stationed to keep watch
- a person or device that monitors or guards a specific area
- a figure representing vigilance or protection
sentry Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
sentry Phonetic & Pronunciation
UK
/ˈsɛn.tri/
US
/ˈsɛn.tʃri/
sentry Word Etymology
Root: sent- (to feel, to perceive) + -ry (nouns of action or condition). Origin: Latin 'sentinella' → Old French 'sentrie' → English. Memory image: Picture a vigilant guard, feeling every movement in the night, ensuring safety.
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
From its roots in Latin sentinella, the word sentry designates a guard assigned to watch for danger or to monitor a perimeter. In military or security contexts, a sentry stands at a gate, on a lookout post, or at a checkpoint, signaling any suspicious activity. The sense extends to devices or roles that continuously monitor an area, such as a CCTV camera acting as a sentry for a building. In figurative use, a sentry can symbolize vigilance, dedication, and protection, embodying the idea of staying alert to safeguard people or property.
Usage Reminders
- Pronounce as SEN-tree
- Use with definite articles: the sentry, a sentry post
- Do not use as a verb; use as a noun only
- Common collocations: sentry post, on sentry duty, keep watch
- Note the figurative sense: a person or thing that guards or protects
- Remember related terms: sentinel, guard, lookout
Common Misconceptions
- Sentry is a verb form; it is not used as a verb
- Sentry means the entire security team, not a single person
- Sentry only refers to people, not devices
- Sentry is interchangeable with 'guard' in every context
- Sentry is unrelated to vigilance or protection
Thinking Differences
English uses sentry in both literal guard roles and figurative, emphasizing vigilance and protection; learners should note its common collocations and avoid turning it into a verb.
Learning Tips
- Practice the pronunciation: SEN-tree
- Pair with articles: a sentry, the sentry at the gate
- Differentiate from related words: sentinel, guard, lookout
- Learn common collocations: sentry post, on sentry duty, keep watch
- Remember: it is a noun, not a verb
- Use figurative sense: a 'sentry' of vigilance or protection
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the definition of the word 'sentry'?
A.A type of bird
B.A guard stationed to keep watch
C.A heavy weapon system
D.A speech by a leader
Step 2: Usage
How is 'sentry' used in context?
A.The sentry cooked a delicious meal.
B.The sentry read a book in the sun.
C.The sentry stood alert at the gate.
D.The sentry created an amazing painting.
Step 3: Similar Words
Which word is most similar to 'sentry'?
A.Guard
B.Pioneer
C.Builder
D.Dancer
Step 4: Opposite Words
What is the opposite of 'sentry'?
A.Citizen
B.Intruder
C.Traveler
D.Friend
Step 5: Mastery
Can you think of a real-life context where someone might perform the role of a sentry?
A.A group of friends heads out for an adventure hiking in the mountains.
B.During a festival, city officials relax and enjoy the festivities.
C.When a soldier is overseeing the area at night, they act as a guard.
D.A teacher lectures the students on history.
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