a. Obs. rare1. [f. ENDEAVOUR sb. + -OUS.] Full of endeavor, zealous, forward. Hence † Endeavourously adv.

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1597.  Beard, Theatre Gods Iudgements, 48. Whilst hee thus strongly and endeauourously emploied himself about these affaires.

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a. 1631.  Donne, Ess. Divinity (1651), 28. For no man was euer more endeavourous than he.

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