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over·ad·ver·tise | \ ˌō-vər-ˈad-vər-ˌtīz \
transitive + intransitive
: to advertise excessively
… competition pressurizes firms to overadvertise.— Gerard J. Tellis While most marketers had found some success with this tactic, some larger spenders … overadvertised the same offer or put too many ads in front of the same audience.— Bob Buch