A — 1: φυλακή
(Strong's #5438 — Noun Feminine — phulake — foo-lak-ay' )

is used (a) with the meaning "a watch," actively, "a guarding," Luke 2:8 , lit., "(keeping, phulasso) watches;" (b) of "the time during which guard was kept by night, a watch of the night," Matthew 14:25; 24:43; Mark 6:48; Luke 12:38 . See CAGE , HOLD , IMPRISONMENT, PRISON.

Exodus 14:24Judges 7:19Mark 13:35
A — 2: κουστωδία
(Strong's #2892 — Noun Feminine — koustodia — koos-to-dee'-ah )

from Lat., custodia (cp. Eng., "custody"), is rendered "watch" in Matthew 27:65,66; 28:11 , AV: see GUARD.

A — 3: ἀγρυπνία
(Strong's #70 — Noun Feminine — agrupnia — ag-roop-nee'-ah )

"sleeplessness" (akin to B, No. 4), is rendered "watchings" in 2—Corinthians 6:5; 11:27 .

B — 1: γρηγορέω
(Strong's #1127 — Verb — gregoreo — gray-gor-yoo'-o )

"to watch," is used (a) of "keeping awake," e.g., Matthew 24:43; 26:38,40,41; (b) of "spiritual alertness," e.g., Acts 20:31; 1—Corinthians 16:13; Colossians 4:2; 1—Thessalonians 5:6,10 (for which see WAKE); 1—Peter 5:8 , RV , "be watchful" (AV, "be vigilant"); Revelation 3:2,3; 16:15 .

B — 2: τηρέω
(Strong's #5083 — Verb — tereo — tay-reh'-o )

"to keep," is rendered "to watch," of those who kept guard at the Cross, Matthew 27:36,54; 28:4 , RV, "watchers" (AV, "keepers"), lit., "the watching ones." See HOLD , No. 8, KEEP, OBSERVE, PRESERVE, RESERVE.

B — 3: παρατηρέω
(Strong's #3906 — Verb — paratereo — par-at-ay-reh'-o )

"to observe," especially with sinister intent (para, "near," and No. 2), is rendered "to watch" in Mark 3:2; Luke 6:7; 14:1; 20:20; Acts 9:24 . See OBSERVE.

B — 4: ἀγρυπνέω
(Strong's #69 — Verb — agrupneo — ag-roop-neh'-o )

"to be sleepless" (from agreuo, "to chase," and hupnos, "sleep"), is used metaphorically, "to be watchful," in Mark 13:33; Luke 21:36; Ephesians 6:18; Hebrews 13:17 . The word expresses not mere wakefulness, but the "watchfulness" of those who are intent upon a thing.

B — 5: νήφω
(Strong's #3525 — Verb — nepho — nay'-fo )

"to abstain from wine," is used metaphorically of moral "alertness," and translated "to watch," in the AV of 2—Timothy 4:5 . See SOBER.