Frustraneous
Pronunciation : Frus*tra"ne*ous
Part of Speech : a.
Etymology : [See Frustrate, a.]
Definition : Defn: Vain; useless; unprofitable. [Obs.] South.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder