verb (used with object), e·lon·gat·ed, e·lon·gat·ing.
- to draw out to greater length; lengthen; extend.
verb (used without object), e·lon·gat·ed, e·lon·gat·ing.
- to increase in length.
adjective Also e·lon·gat·ed.
- extended; lengthened.
- long and thin.
- to make or become longer; stretch
- long and narrow; slenderelongate leaves
- lengthened or tapered
1530s, from Late Latin elongatus, past participle of elongare “to prolong, protract” (see elongation). Earlier in the same sense was elongen (mid-15c.). Related: Elongated; elongating.