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
a speaker, asserter, (ifc.) the teacher or propounder, or adherent of any doctrine or theory
Verified derivationMultiple readings (8)Why this matches what you typed
The spelling you confirmed, वादिन्, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
vādin mfn. saying, discoursing, speaking, talking, speaking or talking about (often ifc. or sometimes with acc. of object), declaring, proclaiming, denoting, designating (or sometimes = designated as, addressed by a title &c.), Mn.; MBh. &c.
producing sounds, ŚāṅkhŚr.
vādin m. a speaker, asserter, (ifc.) the teacher or propounder, or adherent of any doctrine or theory, MaitrUp.; Śaṃk.; Sarvad.
a disputant, MBh.; Hariv. &c.
a plaintiff, accuser, prosecutor (du. plaintiff and defendant), Yājñ.; Nār.
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