As a deity name
Name 794 of the Ganesha Sahasranāma — Ganesha Purana (Upasana Khanda), as taught by Sage Vyasa / Lord Ganesha
Name 657 of the Shiva Sahasranāma — Mahabharata (Anushasana Parva), as taught by Sage Tandi to Sage Upamanyu
Name 921 of the Shiva Sahasranāma — Mahabharata (Anushasana Parva), as taught by Sage Tandi to Sage Upamanyu
Name 479 of the Vishnu Sahasranāma — Mahabharata (Anushasana Parva), as taught by Bhishma to Yudhishthira on his deathbed
As a Hindi name
असत् · adj
मिथ्या । अस्तित्वविहीन । सत्तारहित · बुरा । खराब · खोटा । असाधु । असज्जन — Śabdasāgara
असत् · asat · adj.
Untrue, unreal, unfounded, false; fictitious, not genuine, counterfeit, delusive, deceptive, illusory; unholy, ungodly, irreligious, impious, unjust, unfair — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 47
Cited formation "असत्" is अ- + सत्: सत् means "ब्रह्म", and the prefix अ- forms negation, lack. CHD Basic Grammar App. I §3(1) — cited from the extracted rule table — base gloss: Śabdasāgara
Cited formation "असत्" is अ- + सत्: सत् means "ब्रह्म", and the prefix अ- forms without, lacking. CHD Basic Grammar App. I §4(1) — cited from the extracted rule table — base gloss: Śabdasāgara
As a Sanskrit word
Meaning
a-satī [in seven times asat and five times āsat with lengthening of the accentuated vowel] not being, not existing, unreal
Scripturally attested Verified derivationMultiple readings (4)Why this matches what you typed
The spelling you confirmed, असत्, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
a-sat mf(a-satī)n. [in RV. seven times asat and five times āsat with lengthening of the accentuated vowel] not being, not existing, unreal, RV. vii, 134, 8; AV.; Up.; Kum. iv, 12
untrue, wrong, RV.
bad, ŚBr.; Mn. &c.
a-sat (n), m. Indra, L.
a-sat (t), n. nonexistence, nonentity, RV.; AV. &c.
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
Caveats
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