Names #102, #179 · Viṣṇu Sahasranāma
अमेयात्माameyātmā
Ameyatma — appears 2 times in the stotram, each with its own meaning
Name #102
He of immeasurable spirit
From shloka 11 · chapter Matsya
अजः सर्वेश्वरः सिद्धः सिद्धिः सर्वादिरच्युतः ।
वृषाकपिरमेयात्मा सर्वयोगविनिःसृतः ॥
ajaḥ sarveśvaraḥ siddhaḥ siddhiḥ sarvādiracyutaḥ
vṛṣākapirameyātmā sarvayogaviniḥsṛtaḥ
Also in this shloka: ajaḥ · sarveśvaraḥ · siddhaḥ · siddhiḥ · sarvādiḥ · acyutaḥ · vṛṣākapiḥ · sarvayogaviniḥsṛtaḥ
Name #179
He of unfathomable essence
From shloka 19 · chapter Kūrma
महाबुद्धिर्महावीर्यो महाशक्तिर्महाद्युतिः ।
अनिर्देश्यवपुः श्रीमानमेयात्मा महाद्रिधृक् ॥
mahābuddhirmahāvīryo mahāśaktirmahādyutiḥ
anirdeśyavapuḥ śrīmānameyātmā mahādridhṛk
Also in this shloka: mahābuddhiḥ · mahāvīryaḥ · mahāśaktiḥ · mahādyutiḥ · anirdeśyavapuḥ · śrīmān · mahādridhṛk