As`si*du"i*ty (#), n.; pl. Assiduities (#). [L. assiduitas: cf. F. assiduite. See Assiduous.]


Constant or close application or attention, particularly to some business or enterprise; diligence.

I have, with much pains and assiduity, qualified myself for a nomenclator. Addison.


Studied and persevering attention to a person; -- usually in the plural.


© Webster 1913.