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UK//ˈsɛntɪnəl//US//ˈsɛntɪnəl//

Meaning of A sentinel

A person or thing that stands guard or watches for danger.

In simple words: A guard or lookout that watches for danger.

A sentinel in a sentence

  • The sentinel stood tall, vigilant against any approaching enemies.
  • They relied on a network of sentinels to monitor the forest for fires.
  • In ancient times, a sentinel was crucial for the safety of the village.
  • A sentinel drone patrolled the skies, ensuring no intruders crossed the border.
  • The research team deployed a sentinel to collect data on wildlife movements.

How to use A sentinel

Used in both formal and informal contexts. 'Sentinel' can refer to a person or a system that monitors something important.

Grammar pattern

standalone noun

Memory hint

Think of a 'sentinel' as a 'sent-in-hell' guard watching over a dark castle.

Related words

Collocations with A sentinel

  • station a sentinel
  • sentinel species
  • data sentinel
  • sentinel surveillance
  • environmental sentinel

Synonyms for A sentinel

Common mistakes with A sentinel

  • Confused with 'sentient' - 'sentinel' refers to a guard, while 'sentient' means having awareness.
  • Using 'sentinel' incorrectly in plural form - some may say 'sentinels' when referring to them as a collective.
  • Assuming it's only used in military context - 'sentinel' can also describe environmental monitors.

Compare A sentinel with Guard, Look out, Warden

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Frequently asked questions about A sentinel

What does A sentinel mean?

A guard or lookout that watches for danger.

What is the definition of A sentinel?

A person or thing that stands guard or watches for danger.

How do you use A sentinel in a sentence?

The sentinel stood tall, vigilant against any approaching enemies.

Can you give another example of A sentinel?

They relied on a network of sentinels to monitor the forest for fires.

What are synonyms for A sentinel?

Common alternatives include guard, watchman, lookout, sentry, warden.

What words go with A sentinel?

It commonly pairs with station a sentinel, sentinel species, data sentinel, sentinel surveillance, environmental sentinel.

What are common mistakes when using A sentinel?

Confused with 'sentient' - 'sentinel' refers to a guard, while 'sentient' means having awareness. Using 'sentinel' incorrectly in plural form - some may say 'sentinels' when referring to them as a collective. Assuming it's only used in military context - 'sentinel' can also describe environmental monitors.

How do you pronounce A sentinel?

US: //ˈsɛntɪnəl//, UK: //ˈsɛntɪnəl//. Listen to the audio above to hear native pronunciation.

When should I use A sentinel?

Used in both formal and informal contexts. 'Sentinel' can refer to a person or a system that monitors something important.