Strong's numbers

חָזַק (H2388)

châzaq

khaw-zak'

a primitive root; to fasten upon; hence, to seize, be strong (figuratively, courageous, causatively strengthen, cure, help, repair, fortify), obstinate; to bind, restrain, conquer; aid, amend, [idiom] calker, catch, cleave, confirm, be constant, constrain, continue, be of good (take) courage(-ous, -ly), encourage (self), be established, fasten, force, fortify, make hard, harden, help, (lay) hold (fast), lean, maintain, play the man, mend, become (wax) mighty, prevail, be recovered, repair, retain, seize, be (wax) sore, strengthen (self), be stout, be (make, shew, wax) strong(-er), be sure, take (hold), be urgent, behave self valiantly, withstand.

Brown–Driver–Briggs

חָזַק 291 vb. be or grow firm, strong, strengthen

Qal

I intrans. be or grow strong

II transit. only strengthened him not

Pi.

1 make strong (physically)

2 strengthen the hands (acc.) of anyone, sustain, encourage

3 make strong = bold, encourage

4 make firm

5 make rigid, hard, i.e. perverse, obstinate, harden

Hiph.

a make strong, strengthen

b make firm, the kingdom

c display strength

2 make severe, of battle

3 support

4 = repair

5 prevail

6 esp. take or keep hold of, seize, grasp

Hithp.

1 strengthen oneself

2 put forth strength, use one's strength

3 withstand

4 hold strongly with

From Brown, Driver, and Briggs, A Hebrew and English Lexicon of the Old Testament (1906), in the public domain.

266 occurrences

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

2 Kings 12:14
But they gave that to the workmen, and repaired therewith the house of the LORD.
2 Kings 14:5
And it came to pass, as soon as the kingdom was confirmed in his hand, that he slew his servants which had slain the king his father.
2 Kings 15:19
And Pul the king of Assyria came against the land: and Menahem gave Pul a thousand talents of silver, that his hand might be with him to confirm the kingdom in his hand.
2 Kings 22:5
And let them deliver it into the hand of the doers of the work, that have the oversight of the house of the LORD: and let them give it to the doers of the work which is in the house of the LORD, to repair the breaches of the house,
2 Kings 22:6
Unto carpenters, and builders, and masons, and to buy timber and hewn stone to repair the house.
2 Kings 25:3
And on the ninth day of the fourth month the famine prevailed in the city, and there was no bread for the people of the land.
1 Chronicles 11:10
These also are the chief of the mighty men whom David had, who strengthened themselves with him in his kingdom, and with all Israel, to make him king, according to the word of the LORD concerning Israel.
1 Chronicles 19:12
And he said, If the Syrians be too strong for me, then thou shalt help me: but if the children of Ammon be too strong for thee, then I will help thee.
1 Chronicles 19:13
Be of good courage, and let us behave ourselves valiantly for our people, and for the cities of our God: and let the LORD do that which is good in his sight.
1 Chronicles 21:4
Nevertheless the king's word prevailed against Joab. Wherefore Joab departed, and went throughout all Israel, and came to Jerusalem.