Strong's #1163: dei (pronounced die)
3d person singular active present of 1210; also deon deh-on'; neuter active participle of the same; both used impersonally; it is (was, etc.) necessary (as binding):--behoved, be meet, must (needs), (be) need(-ful), ought, should.
Thayer's Greek Lexicon:
͂
dei
1) it is necessary, there is need of, it behooves, is right and proper
1a) necessity lying in the nature of the case
1b) necessity brought on by circumstances or by the conduct of others toward us.
1c) necessity in reference to what is required to attain some end
1d) a necessity of law and command, of duty, equity
1e) necessity established by the counsel and decree of God, especially by that purpose of his which relates to the salvation of men by the intervention of Christ and which is disclosed in the Old Testament prophecies
1e1) concerning what Christ was destined finally to undergo, his sufferings, death, resurrection, ascension
Part of Speech: verb
Relation: third person singular active present of G1210
Citing in TDNT: 2:21, 140
Usage:
This word is used 106 times:
Revelation 10:11: "he said unto me, Thou must prophesy again before many"
Revelation 11:5: "hurt them, he must in this manner be killed."
Revelation 13:10: "killeth with the sword must be killed with the sword."
Revelation 17:10: "when he cometh, he must continue a short space."
Revelation 20:3: "and after that he must be loosed a little season."
Revelation 22:6: "unto his servants the things which must shortly be done."