11-Letter Words Containing: _,A,B,C,I,U

• articulate without making audible sounds

• in an unpardonable manner or to an unpardonable degree

• without any excuse

• remove carbon from (an engine)

• involving the fourth and no higher power of a quantity or degree

• an algebraic equation or function of the fourth degree

• an equation of the fourth degree

• a polynomial of the fourth degree

• unite with carbon

• the act of encamping and living in tents in a camp

• without excuse or justification

• not excusable

• not easily excited