Meanings
Verb. Occurs 10 times in the Old Testament.
See also חָדָשׁ (Strong's H2319) - meaning “new” - the noun / adjective form.
Psalm 51:10plugin-autotooltip__default plugin-autotooltip_bigPsalm 51:10
 Hebrew תַּ֭שְׁמִיעֵנִי שָׂשׂ֣וֹן וְשִׂמְחָ֑ה תָּ֝גֵ֗לְנָה עֲצָמ֥וֹת דִּכִּֽיתָ  ESV Create in me a clean heart, O God, and renew a right spirit within me.  NIV Create in me a pure heart, O God, and renew a steadfast spirit within me.  NLT Create in me a clean heart, O God. Renew a loyal spirit within me. καρδίανκαθαρὰνκτίσονἐνἐμοίὁθεόςκαὶπνεῦμαἐγκαίνισονἐντοῖςμου… (verse 12plugin-autotooltip__default plugin-autotooltip_bigלֵ֣ב טָ֭הוֹר בְּרָא לִ֣י אֱלֹהִ֑ים וְר֥וּחַ נָ֝כ֗וֹן חַדֵּ֥שׁ בְּקִרְבִּֽי in Hebrew) -“Renew a right spirit within me.” (חַדֵּשׁ בְּקִרְבִּי רוּחַ נָכוֹן) 
Lamentations 5:21plugin-autotooltip__default plugin-autotooltip_bigLamentations 5:21
 Hebrew הֲשִׁיבֵ֨נוּ יְהוָ֤ה אֵלֶ֨יךָ֙ ונשוב וְֽנָשׁ֔וּבָה חַדֵּ֥שׁ יָמֵ֖ינוּ כְּקֶֽדֶם  ESV Restore us to yourself, O LORD, that we may be restored! Renew our days as of old-  NIV Restore us to yourself, O LORD, that we may return; renew our days as of old  NLT Restore us, O LORD, and bring us back to you again! Give us back the joys we once had! ἐπίστρεψονἡμᾶςκύριεπρὸςσέκαὶἐπιστραφησόμεθακαὶἀνακαίνισονἡμέραςἡμῶνκαθὼςἔμπροσθεν… - “Renew our days as of old.” (חַדֵּשׁ יָמֵינוּ כְּקֶדֶם)
So, as a verb, חָדַשׁ means to make something new again, to renew or restore what was old or broken.
| Tense / Aspect | English Meaning | Example / Notes | Hebrew Form | 
| Perfect (Past) | he renewed / made new | Basic root form (not frequently attested as finite verb) | חָדַשׁ | 
| Imperfect (Future) | he will renew | Psalm 104:30plugin-autotooltip__default plugin-autotooltip_bigPsalm 104:30 Hebrew תְּשַׁלַּ֣ח ר֭וּחֲךָ יִבָּרֵא֑וּן וּ֝תְחַדֵּ֗שׁ פְּנֵ֣י אֲדָמָֽה ESV When you send forth your Spirit, they are created, and you renew the face of the ground. NIV When you send your Spirit, they are created, and you renew the face of the earth. NLT When you give them your breath, life is created, and you renew the face of the earth. ἐξαποστελεῖςτὸπνεῦμάσουκαὶκτισθήσονταικαὶἀνακαινιεῖςτὸπρόσωποντῆςγῆς… | יְחַדֵּשׁ | 
| Imperative (Command) | renew! | Psalm 51:12plugin-autotooltip__default plugin-autotooltip_bigלֵ֣ב טָ֭הוֹר בְּרָא לִ֣י אֱלֹהִ֑ים וְר֥וּחַ נָ֝כ֗וֹן חַדֵּ֥שׁ בְּקִרְבִּֽי (English verse 10plugin-autotooltip__default plugin-autotooltip_bigPsalm 51:10 Hebrew תַּ֭שְׁמִיעֵנִי שָׂשׂ֣וֹן וְשִׂמְחָ֑ה תָּ֝גֵ֗לְנָה עֲצָמ֥וֹת דִּכִּֽיתָ ESV Create in me a clean heart, O God, and renew a right spirit within me. NIV Create in me a pure heart, O God, and renew a steadfast spirit within me. NLT Create in me a clean heart, O God. Renew a loyal spirit within me. καρδίανκαθαρὰνκτίσονἐνἐμοίὁθεόςκαὶπνεῦμαἐγκαίνισονἐντοῖςμου…) | חַדֵּשׁ | 
| Infinitive Construct | to renew | Lamentations 5:21plugin-autotooltip__default plugin-autotooltip_bigLamentations 5:21 Hebrew הֲשִׁיבֵ֨נוּ יְהוָ֤ה אֵלֶ֨יךָ֙ ונשוב וְֽנָשׁ֔וּבָה חַדֵּ֥שׁ יָמֵ֖ינוּ כְּקֶֽדֶם ESV Restore us to yourself, O LORD, that we may be restored! Renew our days as of old- NIV Restore us to yourself, O LORD, that we may return; renew our days as of old NLT Restore us, O LORD, and bring us back to you again! Give us back the joys we once had! ἐπίστρεψονἡμᾶςκύριεπρὸςσέκαὶἐπιστραφησόμεθακαὶἀνακαίνισονἡμέραςἡμῶνκαθὼςἔμπροσθεν… | לְחַדֵּשׁ | 
| Participle (Active) | renewing / one who renews | Not directly attested; regular expected form | מְחַדֵּשׁ | 
| Person | English | Hebrew | 
| 3rd person masculine singular | he renewed | חָדַשׁ | 
| 3rd person feminine singular | she renewed | חָדְשָׁה | 
| 2nd person masculine singular | you (m) renewed | חָדַשְׁתָּ | 
| 2nd person feminine singular | you (f) renewed | חָדַשְׁתְּ | 
| 1st person common singular | I renewed | חָדַשְׁתִּי | 
| 3rd person masculine plural | they (m) renewed | חִדְּשׁוּ | 
| 3rd person feminine plural | they (f) renewed | חִדְּשׁוּ | 
| 2nd personal masculine plural | you (m.pl.) renewed | חִדַּשְׁתֶּם | 
| 2nd person feminine plural | you (f.pl.) renewed | חִדַּשְׁתֶּן | 
| 1st person common plural | we renewed | חִדַּשְׁנוּ | 
| Person | English | Hebrew | 
| 3rd person masculine singular | he will renew | יְחַדֵּשׁ | 
| 3rd person feminine singular | she will renew | תְּחַדֵּשׁ | 
| 2nd person masculine singular | you (m) will renew | תְּחַדֵּשׁ | 
| 2nd person feminine singular | you (f) will renew | תְּחַדְּשִׁי | 
| 1st person common singular | I will renew | אֲחַדֵּשׁ | 
| 3rd person masculine plural | they (m) will renew | יְחַדְּשׁוּ | 
| 3rd person feminine plural | they (f) will renew | תְּחַדֵּשְׁנָה | 
| 2nd person masculine plural | you (m.pl.) will renew | תְּחַדְּשׁוּ | 
| 2nd person feminine plural | you (f.pl.) will renew | תְּחַדֵּשְׁנָה | 
| 1st person common plural | we will renew | נְחַדֵּשׁ | 
| Person | English | Hebrew | 
| 2nd person masculine singular | renew! (m.s.) | חַדֵּשׁ | 
| 2nd person feminine singular | renew! (f.s.) | חַדְּשִׁי | 
| 2nd person masculine plural | renew! (m.pl.) | חַדְּשׁוּ | 
| 2nd person feminine plural | renew! (f.pl.) | חַדֵּשְׁנָה | 
| Form | English | Hebrew | 
| Infinitive Construct | to renew | לְחַדֵּשׁ | 
| Infinitive Absolute | surely renew / indeed renew | חַדֵּשׁ | 
| Type | English | Hebrew | 
| Active | renewing / one who renews | מְחַדֵּשׁ | 
| Passive | being renewed (if formed) | מְחֻדָּשׁ |