Standard Lemma guide

sentinel

name · noun · verb · 12 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈsɛn.tɪ.nəl/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: S EH1 N T AH0 N AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

A place in the United States:

An unincorporated community in Maricopa County, Arizona.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

name

Meaning 2

A place in the United States:

A ghost town in Fresno County, California.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

name

Meaning 3

A place in the United States:

An unincorporated community in Polk County, Missouri.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

name

Meaning 4

A place in the United States:

A town in Washita County, Oklahoma.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A sentry, watch, or guard.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

A private soldier.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

A unique value recognised by a computer program for processing in a special way, or marking the end of a set of data.

Definition source: English Wiktionary via Wiktextract

Topics: computer, computing, engineering, mathematics, natural-sciences, physical-sciences, science, sciences

Examples

  • The <xmp> tag is a sentinel that suspends web-page processing and displays the subsequent text literally

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

A sentinel crab.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

A sign of a health risk (e.g. a disease, an adverse effect).

Definition source: English Wiktionary via Wiktextract

Usage: attributive

Topics: epidemiology, medicine, sciences

Examples

  • sentinel animals can be used to explore endemic diseases.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

verb

Meaning 10

To watch over as a guard.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • He sentineled the north wall.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

verb

Meaning 11

To post a guard for.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • He sentineled the north wall with just one man.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

noun

Meaning 12

a person employed to keep watch for some anticipated event

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: lookout, lookout man, sentry, watch, spotter, scout, picket

Antonyms: none provided

Broader terms: watchman, watcher, security guard

History

Etymology

First attested in the 1570s from Middle French sentinelle (“watch or guard kept by a soldier”), from Old Italian sentinella, probably from sentina + -ella, from sentire (“perceive, watch, hear”), from sentiō (“feel, perceive by the senses”). See also sense, sentient.

Across languages

Translations

87 source translations are retained for this English entry.

  • Arabic: حَارِس (ḥāris) — a sentry or guard
  • Arabic: خَفِير (ḵafīr) — a sentry or guard
  • Arabic: غَفِير (ḡafīr) — a sentry or guard
  • Arabic: غفير (ḡafīr) — a sentry or guard
  • Belarusian: вартавы́ (vartavý) — a sentry or guard
  • Bulgarian: страж (straž) — a sentry or guard
  • Bulgarian: часови́ (časoví) — a sentry or guard
  • Bulgarian: часово́й (časovój) — a sentry or guard
  • Catalan: sentinella — a sentry or guard
  • Chinese Mandarin: 哨兵 (shàobīng) — a sentry or guard
  • Chinese Mandarin: 步哨 (bùshào) — a sentry or guard
  • Czech: hlídka — a sentry or guard
  • Czech: stráž — a sentry or guard
  • Danish: skildvagt — a sentry or guard
  • Danish: vagtpost — a sentry or guard
  • Dutch: wacht — a sentry or guard
  • Finnish: vartija — a sentry or guard
  • Finnish: vahti — a sentry or guard
  • French: factionnaire — a sentry or guard
  • French: sentinelle — a sentry or guard
  • Galician: sentinela — a sentry or guard
  • German: Wache — a sentry or guard
  • German: Wachposten — a sentry or guard
  • German: Wächter — a sentry or guard
  • German: Wächterin — a sentry or guard
  • Greek: σκοπός (skopós) — a sentry or guard
  • Greek: φρουρός (frourós) — a sentry or guard
  • Hindi: प्रहरी (prahrī) — a sentry or guard
  • Hungarian: őrszem — a sentry or guard
  • Irish: fairtheoir — a sentry or guard
  • Italian: sentinella — a sentry or guard
  • Japanese: 歩哨 (hoshō) — a sentry or guard
  • Japanese: 番兵 (banpei) — a sentry or guard
  • Kazakh: күзетші (küzetşı) — a sentry or guard
  • Korean: 초병 (chobyeong) — a sentry or guard
  • Korean: 보초병 (bochobyeong) — a sentry or guard
  • Korean: 감시병 (gamsibyeong) — a sentry or guard
  • Northern Kurdish: zêrevan — a sentry or guard
  • Northern Kurdish: çavdêr — a sentry or guard
  • Northern Kurdish: nobetdar — a sentry or guard
  • Latin: vigil — a sentry or guard
  • Latin: custos — a sentry or guard
  • Latin: excubitor — a sentry or guard
  • Latin: praeses — a sentry or guard
  • Macedonian: стражар (stražar) — a sentry or guard
  • Navajo: haʼasídí — a sentry or guard
  • Iranian Persian: نِگَهْبان (negahbân) — a sentry or guard
  • Iranian Persian: پاسْدار (pâsdâr) — a sentry or guard
  • Polish: wartownik — a sentry or guard
  • Polish: strażnik — a sentry or guard
  • Portuguese: sentinela — a sentry or guard
  • Portuguese: vigia — a sentry or guard
  • Russian: часово́й (časovój) — a sentry or guard
  • Russian: карау́льный (karaúlʹnyj) — a sentry or guard
  • Russian: охра́нник (oxránnik) — a sentry or guard
  • Russian: страж (straž) — a sentry or guard
  • Scottish Gaelic: freiceadan — a sentry or guard
  • Serbo-Croatian: стра̀жа̄р — a sentry or guard
  • Serbo-Croatian: stràžār — a sentry or guard
  • Slovak: hliadka — a sentry or guard
  • Slovak: stráž — a sentry or guard
  • Slovene: stražar — a sentry or guard
  • Spanish: guarda — a sentry or guard
  • Spanish: centinela — a sentry or guard
  • Swedish: vaktpost — a sentry or guard
  • Swedish: skyltvakt — a sentry or guard
  • Turkish: gözcü — a sentry or guard
  • Turkish: koruyucu — a sentry or guard
  • Turkish: nöbetçi — a sentry or guard
  • Ottoman Turkish: نوبت (nevbet, nöbet) — a sentry or guard
  • Ukrainian: вартови́й (vartovýj) — a sentry or guard
  • Welsh: gwarchodwr — a sentry or guard
  • Welsh: gwyliwr — a sentry or guard
  • Finnish: vahti — a unique phrase of characters
  • German: Markierung — a unique phrase of characters
  • German: Schlüsselwort — a unique phrase of characters
  • Irish: fairtheoir — a unique phrase of characters
  • Turkish: sembol — a unique phrase of characters
  • Turkish: simge — a unique phrase of characters
  • Bulgarian: охранявам (ohranjavam) — To watch over something as a guard
  • Danish: stå vagt — To watch over something as a guard
  • Finnish: vahtia — To watch over something as a guard
  • Finnish: vartioida — To watch over something as a guard
  • French: regarder — To watch over something as a guard
  • German: bewachen — To watch over something as a guard
  • Portuguese: vigiar — To watch over something as a guard
  • Ukrainian: охороняти (oxoronjaty) — To watch over something as a guard
Real reading context

sentinel in complete knowledge articles