ἰσχυρόω (ischyroo): all forms
ἰσχυρόω means “strengthen”. Below is its full conjugation in Ancient Greek.
Present active
Present active | Indicative | Subjunctive | Optative | Imperative |
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| 1st singular | ἰσχυρῶ | ἰσχυρῶ | ἰσχυροίην · ἰσχυροῖμι | |
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| 2nd singular | ἰσχυροῖς | ἰσχυροῖς | ἰσχυροῖς · ἰσχυροίης | ἰσχύρου |
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| 3rd singular | ἰσχυροῖ | ἰσχυροί | ἰσχυροίη · ἰσχυροῖ | ἰσχυρούτω |
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| 1st plural | ἰσχυροῦμεν | ἰσχυρῶμεν | ἰσχυροῖμεν · ἰσχύροιμεν · ἰσχυροίημεν | |
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| 2nd plural | ἰσχυροῦτε | ἰσχυρῶτε | ἰσχυροίητε · ἰσχυροῖτε · ἰσχύροιτε | ἰσχυροῦτε |
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| 3rd plural | ἰσχυροῦσι(ν) | ἰσχυρῶσι(ν) | ἰσχυροῖεν · ἰσχύροιεν · ἰσχυροίησαν | ἰσχυρούντων |
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Present middle/passive
Present middle/passive | Indicative | Subjunctive | Optative | Imperative |
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| 1st singular | ἰσχυροῦμαι | ἰσχυρῶμαι | ἰσχυροίμην | |
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| 2nd singular | ἰσχυροί · ἰσχυροῖ | ἰσχυροί | ἰσχυροῖο | ἰσχυροῦ |
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| 3rd singular | ἰσχυροῦται | ἰσχυρῶται | ἰσχυρῷτο · ἰσχυροῖτο | ἰσχυρούσθω |
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| 1st plural | ἰσχυρούμεθα | ἰσχυρώμεθα | ἰσχυροίμεθα | |
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| 2nd plural | ἰσχυροῦσθε | ἰσχυρῶσθε | ἰσχυροῖσθε | ἰσχυροῦσθε |
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| 3rd plural | ἰσχυροῦνται | ἰσχυρῶνται | ἰσχυροῖντο | ἰσχυρούσθων · ἰσχυρούσθωσαν |
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Imperfect active
Imperfect active | Indicative |
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| 1st singular | ἰσχύρουν |
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| 2nd singular | ἰσχύρους |
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| 3rd singular | ἰσχύρου |
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| 1st plural | ἰσχυροῦμεν |
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| 2nd plural | ἰσχυροῦτε |
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| 3rd plural | ἰσχύρουν |
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Imperfect middle/passive
Imperfect middle/passive | Indicative |
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| 1st singular | ἰσχυρούμην |
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| 2nd singular | ἰσχυροῦ |
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| 3rd singular | ἰσχυροῦτο |
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| 1st plural | ἰσχυρούμεθα |
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| 2nd plural | ἰσχυροῦσθε |
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| 3rd plural | ἰσχυροῦντο |
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Infinitives
Infinitives | Active | Middle/passive |
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| Present | ἰσχυροῦν | ἰσχυροῦσθαι |
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Participles
Present active participle, singular | Masculine | Feminine | Neuter |
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| Nominative | ἰσχυρῶν | ἰσχυροῦσα | ἰσχυροῦν |
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| Genitive | ἰσχυροῦντος | ἰσχυρούσης | ἰσχυροῦντος |
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| Dative | ἰσχυροῦντι | ἰσχυρούσῃ | ἰσχυροῦντι |
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| Accusative | ἰσχυροῦντα | ἰσχυροῦσαν | ἰσχυροῦν |
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| Vocative | ἰσχυροῦν | ἰσχυροῦσα | ἰσχυροῦν |
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Present active participle, plural | Masculine | Feminine | Neuter |
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| Nominative | ἰσχυροῦντες | ἰσχυροῦσαι | ἰσχυροῦντα |
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| Genitive | ἰσχυρούντων | ἰσχυρουσῶν | ἰσχυρούντων |
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| Dative | ἰσχυροῦσι(ν) | ἰσχυρούσαις | ἰσχυροῦσι(ν) |
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| Accusative | ἰσχυροῦντας | ἰσχυρούσας | ἰσχυροῦντα |
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| Vocative | ἰσχυροῦντες | ἰσχυροῦσαι | ἰσχυροῦντα |
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Present middle/passive participle, singular | Masculine | Feminine | Neuter |
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| Nominative | ἰσχυρούμενος | ἰσχυρουμένη | ἰσχυρούμενον |
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| Genitive | ἰσχυρουμένου | ἰσχυρουμένης | ἰσχυρουμένου |
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| Dative | ἰσχυρουμένῳ | ἰσχυρουμένῃ | ἰσχυρουμένῳ |
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| Accusative | ἰσχυρούμενον | ἰσχυρουμένην | ἰσχυρούμενον |
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| Vocative | ἰσχυρούμενε | ἰσχυρουμένη | ἰσχυρούμενον |
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Present middle/passive participle, plural | Masculine | Feminine | Neuter |
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| Nominative | ἰσχυρούμενοι | ἰσχυρούμεναι | ἰσχυρούμενα |
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| Genitive | ἰσχυρουμένων | ἰσχυρουμένων | ἰσχυρουμένων |
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| Dative | ἰσχυρουμένοις | ἰσχυρουμέναις | ἰσχυρουμένοις |
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| Accusative | ἰσχυρουμένους | ἰσχυρουμένας | ἰσχυρούμενα |
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| Vocative | ἰσχυρούμενοι | ἰσχυρούμεναι | ἰσχυρούμενα |
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Meaning and examples of ἰσχυρόω
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.