13-Letter Words Containing: N,I,P,P,E,R,E,D

• listen without the speaker's knowledge

• the office and function of president

• the act of leaving secretly or without explanation

• the event of passing out of sight

• gradually ceasing to be visible

• ceasing to exist

• not likely to be rewarded

• having value that is not acknowledged

• intersecting at or forming right angles

• at right angles to the plane of the horizon or a base line

• a straight line at right angles to another line

• a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting

• a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point

• an extremely steep face

• so steep as to be nearly vertical

• To provide with insufficient supplies; to supply inadequately

• allocate, distribute, or apportion anew

• insect that in the adult state has four wings more or less covered with tiny scales

• Any of several peptides, such as endorphins, that function as neurotransmitters.