To smuggle is to move someone or something illegally or without following proper procedure or protocol.(verb)
When you sneak immigrants across the border in the back of your vehicle under some blankets, this is an example of when you smuggle.
See smuggle in Webster's New World College Dictionary
Origin: < LowG smuggeln, akin to OE smugan, to creep: for IE base see smock
See smuggle in American Heritage Dictionary 4
verb smug·gled, smug·gling, smug·gles verb, transitive
Origin: Probably Low German smukkeln, smuggeln
Origin: or Middle Dutch smokkelen.
Learn more about smuggle