free form

noun
1.
a shape having an irregular contour, chiefly used in nonrepresentational art and industrial design.
2.
Linguistics. a linguistic form that can occur by itself, as fire, book, or run.
Compare bound form.
Origin
1945-50

free-form

[adj. free-fawrm; adv. free-fawrm] /adj. ˈfriˌfɔrm; adv. ˈfriˈfɔrm/
adjective
1.
characterized by free form:
free-form sculpture.
2.
not organized or planned in a conventional way:
a free-form international conglomerate.
3.
encouraged to function or evolve without advance planning; spontaneous:
free-form management.
adverb
4.
without restrictions or preconceptions:
The children were allowed to paint free-form.
Also, freeform.
Origin
1950-55
British Dictionary definitions for free form

free form

noun
1.
an irregular flowing shape, often used in industrial or fabric design
adjective
2.
freely flowing, spontaneous
Encyclopedia Article for free form

an approach to jazz improvisation that emerged during the late 1950s, reached its height in the '60s, and remained a major development in jazz thereafter.

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