12-Letter Words with O,B,S,T,R,U,C,T

• a hard brittle candy made with butter and brown sugar

• a contract assigning to another party some obligations of a prior contract

• arranged for contracted work to be done by others

• work under a subcontract; engage in a subcontract

• free from impediment or obstruction or hindrance

• a person who is deliberately vague

• someone who contributes (or promises to contribute) a sum of money

• a writer whose work is published in a newspaper or magazine or as part of a book

• a vigorous and unrestrained response

• an arithmetic operation in which the difference between two numbers is calculated

• the act of subtracting (removing a part from the whole)

• any structure that makes progress difficult

• the physical condition of blocking or filling a passage with an obstruction

• something immaterial that stands in the way and must be circumvented or surmounted

• the act of obstructing

• getting in someone's way

• mixes air with gasoline vapor prior to explosion