'Continual' definitions:

Definition of 'continual'

From: WordNet
adjective
Occurring without interruption; chiefly restricted to what recurs regularly or frequently in a prolonged and closely spaced series; "the continual banging of the shutters" [ant: sporadic]
adjective
`continual' (meaning seemingly uninterrupted) is often used interchangeably with `continuous' (meaning without interruption)

Definition of 'Continual'

From: GCIDE
  • Continual \Con*tin"u*al\, a. [OE. continuel, F. continuel. See Continue.]
  • 1. Proceeding without interruption or cesstaion; continuous; unceasing; lasting; abiding. [1913 Webster]
  • He that is of a merry heart hath a continual feast. --Prov. xv. 15. [1913 Webster]
  • 2. Occuring in steady and rapid succession; very frequent; often repeated. [1913 Webster]
  • The eye is deligh by a continental succession of small landscapes. --W. Irwing. [1913 Webster]
  • Continual proportionals (Math.), quantities in continued proportion. --Brande & C.
  • Syn: Constant; prepetual; incessant; unceasing; uninterrupted; unintermitted; continuous. See Constant, and Continuous. [1913 Webster]