The Scofield Bible Commentary, by Cyrus Ingerson Scofield, [1917], at sacred-texts.com
world
Greek, "kosmos", means "mankind".
(See Scofield) - (Mat 4:8).
angels
(See Scofield) - (Heb 1:4).
are washed
Were, and so throughout the verse.
justified
Justification. (Gal 2:16); (Luk 18:14); (Rom 3:28).
shall I
Paul does not invoke the authority of the seventh commandment, but appeals to the believer's sacredness as a member of Christ.
and in your
Some authorities end verse with "body."