Name #551 of 1000 · Viṣṇu Sahasranāma

दृढःdṛḍhaḥ

Dridha

Firm beyond all shaking

From shloka 59 · chapter Paraśurāma

वेधाः स्वाङ्गोऽजितः कृष्णो दृढः सङ्कर्षणोऽच्युतः
वरुणो वारुणो वृक्षः पुष्कराक्षो महामनाः
vedhāḥ svāṅgo'jitaḥ kṛṣṇo dṛḍhaḥ saṅkarṣaṇo'cyutaḥ
varuṇo vāruṇo vṛkṣaḥ puṣkarākṣo mahāmanāḥ
verse 59

Also in this shloka: vedhāḥ · svāṅgaḥ · ajitaḥ · kṛṣṇaḥ · saṅkarṣaṇo'cyutaḥ · varuṇaḥ · vāruṇaḥ · vṛkṣaḥ · puṣkarākṣaḥ · mahāmanāḥ