Names #185, #638 · Viṣṇu Sahasranāma
अनिरुद्धःaniruddhaḥ
Aniruddha — appears 2 times in the stotram, each with its own meaning
Name #185
He whom no one can obstruct
From shloka 20 · chapter Kūrma
महेष्वासो महीभर्ता श्रीनिवासः सतां गतिः ।
अनिरुद्धः सुरानन्दो गोविन्दो गोविदां पतिः ॥
maheṣvāso mahībhartā śrīnivāsaḥ satāṃ gatiḥ
aniruddhaḥ surānando govindo govidāṃ patiḥ
Also in this shloka: maheṣvāsaḥ · mahībhartā · śrīnivāsaḥ · satāṃ gatiḥ · surānandaḥ · govindaḥ · govidāṃ patiḥ
Name #638
Irresistible — never blocked
From shloka 68 · chapter Rāma
अर्चिष्मानर्चितः कुम्भो विशुद्धात्मा विशोधनः ।
अनिरुद्धोऽप्रतिरथः प्रद्युम्नोऽमितविक्रमः ॥
arciṣmānarcitaḥ kumbho viśuddhātmā viśodhanaḥ
aniruddho'pratirathaḥ pradyumno'mitavikramaḥ
Also in this shloka: arciṣmān · arcitaḥ · kumbhaḥ · viśuddhātmā · viśodhanaḥ · apratirathaḥ · pradyumnaḥ · amitavikramaḥ