As a deity name
Name 862 of the Lakshmi Sahasranāma — Skanda Purana / Sanat Kumara Samhita, as taught by Sages Sanatkumara and Devotees
Name 171 of the Vishnu Sahasranāma — Mahabharata (Anushasana Parva), as taught by Bhishma to Yudhishthira on his deathbed
As a Hindi name
महोत्साह · noun · masculine
वह जो अत्यंत शक्तिशाली वा शक्ति- मंत हो · असंवाह्य गर्व । अत्यंत गर्व — Śabdasāgara
महोत्साह · mahotsāh · s.m.
Great effort or exertion; great diligence or perseverance — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 1101
As a Sanskrit word
Meaning
having gr˚ power or strength or energy, &c.
Scripturally attested Verified derivationMultiple readings (3)Why this matches what you typed
The spelling you confirmed, महोत्साह, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Gender counterpart
The kosha attests this stem in the feminine, the masculine, and the neuter — the same name serves without alteration.
Dictionary citations
mahotsāha mfn. having gr˚ power or strength or energy, Yājñ.; MBh. &c.
mahotsāha m. N. of Śiva, Śivag.
mahotsāha mfn. (-haḥ-hā-haṃ) Persevering, diligent, making strenuous and unremitting exertion. m. (-haḥ) 1 A king, possessing all the appendages and powers of monarchy. 2 Diligence, effort, exertion. E. mahā great, and utsāha effort.
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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