get or cause to become in a difficult or laborious manner
obtain by coercion or intimidation; "They extorted money from the executive by threatening to reveal his past to the company boss"; "They squeezed money from the owner of the business by threatening him"
add by mixing or blending on or attaching; "work in the butter and the dough will get the right consistency"; "In his speech, the presidential candidate worked in a lot of learned words"
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"
termination of operations; "they regretted the closure of the day care center"
a Gestalt principle of organization holding that there is an innate tendency to perceive incomplete objects as complete and to close or fill gaps and to perceive asymmetric stimuli as symmetric
a rule for limiting or ending debate in a deliberative body
terminate debate by calling for a vote; "debate was closured"; "cloture the discussion"