Strong's numbers

κύριος G2962

kýrios

koo'-ree-os

from (supremacy); supreme in authority, i.e. (as noun) controller; by implication, Master (as a respectful title):-- God, Lord, master, Sir.

κύριος, -α, -ον (also -ος, -ον), [in LXX (subst.) chiefly for יהוה, also for אָדוֹן, בַּעַל, etc.;]

having power (κῦρος) or authority; as subst., ὁ κ., lord, master;

1. in general: c. gen. rei, Mt 9:38 20:8, Mk 12:9 13:35, Lk 19:33; τ. σαββάτου, Mt 12:8, Mk 2:28, Lk 6:5; c. gen. pers., δούλου, etc., Mt 10:24, Lk 14:21, Ac 16:16, al.; absol., opp. to οἱ δοῦλοι, Eph 6:5, 9, al.; of the Emperor (Deiss., LAE, 161), Ac 25:26; θεοὶ πολλοὶ καὶ κ. πολλοί, I Co 8:5; of a husband, I Pe 3:6; in voc., as a title of respect to masters, teachers, magistrates, etc., Mt 13:27 16:22 27:63, Mk 7:28, Lk 5:12, Jo 4:11, Ac 9:5, al.

2. As a divine title (freq. in π.; Deiss., LAE, 353 ff.); in NT,

(a) of God: ὁ κ., Mt 5:33, Mk 5:19, Lk 1:6, Ac 7:33, He 8:2, Ja 4:15, al.; anarth. (Bl., § 46, 6), Mt 21:9, Mk 13:20, Lk 1:17, He 7:21, I Pe 1:25, al.; κ. τ. οὐρανοῦ καὶ τ. γῆς, Mt 11:25; τ. κυριευόντων, I Ti 6:15; κ. ὁ θεός, Mt 4:7, 10 al.; id. seq. ὁ παντοκράτωρ, Re 4:8; κ. σαβαώθ, Ro 9:29; (ὁ) ἄγγελος κυρίου, Mt 1:20 2:13, Lk 1:11, al.; πνεῦμα κυρίου, Lk 4:18, Ac 8:39;

(b) of the Christ: Mt 21:3, Mk 11:3, Lk 1:43 20:44, al.; of Jesus after his resurrection (Dalman, Words, 330), Ac 10:36, Ro 14:8, I Co 7:22, Eph 4:5, al.; ὁ κ. μου, Jo 20:28; ὁ κ. Ἰησοῦς, Ac 1:21, I Co 11:23, al.; id. seq. Χριστός, Eph 1:2, al.; ὁ κ. ἡμῶν, I Ti 1:14, He 7:14, al.; id. seq. Ἰησοῦς, I Th 3:11, He 13:20, al.; Χριστός, Ro 16:18; Ἰ Χ., I Co 1:2, I Th 1:3, al.; Ἰ. Χ. (Χ. Ἰ) ὁ κ. (ἡμῶν), Ro 1:4, Col 2:6, Eph 3:11, al.; ὁ κ. καὶ ὁ σωτὴρ, II Pe 3:2; id. seq. Ἰ. Χ., II Pe 3:18; anarth., I Co 7:22, 25, Ja 5:4, al.; κ. κυρίων, Re 19:16; c. prep., ἀπὸ (κατὰ, πρὸς, σὺν, etc.) κ., Col 3:24, al.

SYN: v.s. δεσπότης.

From G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), in the public domain.

Shown in the King James Version (KJV), whichever translation you read in — it is the text these numbers are tagged against.

John 21:17
He saith unto him the third time, Simon, son of Jonas, lovest thou me? Peter was grieved because he said unto him the third time, Lovest thou me? And he said unto him, Lord, thou knowest all things; thou knowest that I love thee. Jesus saith unto him, Feed my sheep.
John 21:20
Then Peter, turning about, seeth the disciple whom Jesus loved following; which also leaned on his breast at supper, and said, Lord, which is he that betrayeth thee?
John 21:21
Peter seeing him saith to Jesus, Lord, and what shall this man do?
Acts 1:6
When they therefore were come together, they asked of him, saying, Lord, wilt thou at this time restore again the kingdom to Israel?
Acts 1:21
Wherefore of these men which have companied with us all the time that the Lord Jesus went in and out among us,
Acts 1:24
And they prayed, and said, Thou, Lord, which knowest the hearts of all men, shew whether of these two thou hast chosen,
Acts 2:20
The sun shall be turned into darkness, and the moon into blood, before that great and notable day of the Lord come:
Acts 2:21
And it shall come to pass, that whosoever shall call on the name of the Lord shall be saved.
Acts 2:25
For David speaketh concerning him, I foresaw the Lord always before my face, for he is on my right hand, that I should not be moved:
Acts 2:34
For David is not ascended into the heavens: but he saith himself, The LORD said unto my Lord, Sit thou on my right hand,