at an instant, suddenly, X very

Boyd’s Bible Dictionary:

(stand in). Urgent (Luke 7:4; 23:23); fervent (Acts 26:7; Rom. 12:12).

Concise Bible Dictionary:

“Urgent” with importunity (Luke 7:4; Luke 23:23; Acts 26:7; Rom. 12:12; 2 Tim. 4:2).

Strong’s Dictionary of Hebrew Words:

Transliteration:
petha`
Phonic:
peh’-thah
Meaning:
from an unused root meaning to open (the eyes); a wink, i.e. moment (compare 6597) (used only (with or without preposition) adverbially, quickly or unexpectedly)
KJV Usage:
at an instant, suddenly, X very