underlap

(proposed definition)

Two areas underlap when there is a gap between them - rather than just touching.

When hanging wallpaper, you should arrange the sheets so that they neither overlap nor underlap.

by Ed Avis June 21, 2003

underlap

The opposite of wordoverlap/word, which technically means to skip or miss a part of something.

My fucking retarded teacher underlapped the design project, so we couldn't get it all.

by EC April 23, 2003

underlap

to support from below; having strengths that work together without conflict

His personality underlapped hers and strengthened their team.

by Dennis P Ryan January 25, 2009