Romans 11:25μυστήριον
I do not want you to be ignorant of this mystery, brothers, so that you will not be conceited: A hardening in part has come to Israel, until the full number of the Gentiles has come in.
1 Corinthians 2:1μυστήριον
When I came to you, brothers, I did not come with eloquence or wisdom as I proclaimed to you the testimony about God.
Ephesians 1:9μυστήριον
And He has made known to us the mystery of His will according to His good pleasure, which He purposed in Christ
Colossians 1:26μυστήριον
the mystery that was hidden for ages and generations but is now revealed to His saints.
1 Timothy 3:9μυστήριον
They must hold to the mystery of the faith with a clear conscience.
Revelation 1:20μυστήριον
This is the mystery of the seven stars you saw in My right hand and of the seven golden lampstands: The seven stars are the angels of the seven churches, and the seven lampstands are the seven churches.

Abbott-Smith

μυστήρισν, -ου, τό
(μυέω), [in LXX: Dan LXX TH Dan.2:18 ff. (רָז), Tob.12:7, 11, Jdth.2:2, Wis.2:22 6:22 14:15, 23, Sir.3:18 22:22 27:16-17, 21, 2Ma.13:21 * ;]

1. that which is known to the μύστης (initiated), a mystery or secret doctrine, mostly in pl., τὰ μ. (Æsch., Hdt., al.).

2. In later writers (Menand., Incert., 168), that which may not be revealed (not, however, as in the modern sense, intrinsically difficult to understand), a secret or mystery of any kind (To, Jth, 2Mac, ll, with).

3. In NT, of the counsels of God (cf. Th.: Job.15:8, Psa.25:14 for סוֹד), once hidden but now revealed in the Gospel or some fact thereof;

(a) of the Christian revelation generally : Rom.16:25, 1Co.2:7, Col.1:26-27, Eph.3:3, 9; τ. βασιλείας τ. θεοῦ, Mrk.4:11; τ. θεοῦ, 1Co.2:1, Rev.10:7; τ. θ., Χριστοῦ, Col.2:2; τ. Χριστοῦ., Col.4:3, Eph.3:4; τ. θελήματος αὐτοῦ, Eph.1:9; τ. εὐαγγελίον, Eph.6:19; τ. πίστεως, 1Ti.3:9; τ. εὐσεβείας, 1Ti.3:16;

(b) of particular truths, or details, of the Christian revelation : Rom.11:25, 1Co.15:51, Eph.5:32, 2Th.2:7, Rev.1:20 17:5, 7; pl., τὰ μ., 1Co.13:2 14:2; θεοῦ, 1Co.4:1;

Read the whole entry in Word Study ›

Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.