march aggressively into another's territory by military force for the purposes of conquest and occupation; "Hitler invaded Poland on September 1, 1939"
penetrate or assault, in a harmful or injurious way; "The cancer had invaded her lungs"
occupy in large numbers or live on a host; "the Kudzu plant infests much of the South and is spreading to the North"
that which is deserved or owed; "give the devil his due"
a payment that is due (e.g., as the price of membership); "the society dropped him for non-payment of dues"
owed and payable immediately or on demand; "payment is due"
suitable to or expected in the circumstances; "all due respect"; "due cause to honor them"; "a long due promotion"; "in due course"; "due esteem"; " exercising due care"
become broader or wider or more extensive; "The road widened"
make wider; "widen the road"
extend in scope or range or area; "The law was extended to all citizens"; "widen the range of applications"; "broaden your horizon"; "Extend your backyard"