The definition of banal is something common or overused.(adjective)
An example of something banal are boring knock-knock jokes that have been told many times before.
See banal in Webster's New World College Dictionary
Origin: Fr < OFr, designating objects (such as ovens or mills) belonging to feudal serfs (hence common, ordinary) < ban, decree, legal control: see ban
See banal in American Heritage Dictionary 4
Origin: , from Old French, shared by tenants in a feudal jurisdiction
Origin: , from ban, summons to military service
Origin: , of Germanic origin; see bhā-2 in Indo-European roots.
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