संस्‍कृतशब्‍दकोशः

निरुपाख्य

निर्वक्तुमशक्य, अनिर्वचनीय, अज्ञेय, अप्रत्यभिज्ञेय

not be be explained, not to be known or recognised

Monier–Williams

निरुपाख्य — {upâkhya} mf({ā})n. destitute of all qualification##immaterial, unreal, false, non-existent##indescribable, inexpressible##{-tva} n.