As a deity name
Name 638 of the Hanuman Sahasranāma — Rasvin Samhita / Brahmanda Purana, as taught by Lord Ram / Sages
Name 130 of the Shiva Sahasranāma — Mahabharata (Anushasana Parva), as taught by Sage Tandi to Sage Upamanyu
Name 343 of the Shiva Sahasranāma — Mahabharata (Anushasana Parva), as taught by Sage Tandi to Sage Upamanyu
Name 676 of the Shiva Sahasranāma — Mahabharata (Anushasana Parva), as taught by Sage Tandi to Sage Upamanyu
As a Hindi name
No reading on this path — this spelling has no entry in our Hindi sources, and no near neighbour is attested there either. We say so rather than invent one.
As a Sanskrit word
Meaning
one who has accomplished an aim or object, successful, prosperous, &c.
Scripturally attested Verified split — attested membersMultiple readings (5)Why this matches what you typed
M1 · same meaning "siddhārthāya" is the dative of "siddhārtha" — the same word in a different grammatical case.
Dictionary citations
siddhārtha . See col. 3.
siddhārtha mf(ā)n. one who has accomplished an aim or object, successful, prosperous, MBh.; Kāv. &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
Sources contain errors and engines have limits; every claim above carries its citation so you can verify it. This is guidance about names and their sources — not religious or astrological consultation. How we work · Our sources