free form

¹ American  

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.

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free-form ² American  

[free-fawrm, free-fawrm] / ˈfriˌfɔrm, ˈfriˈfɔrm /

Or freeform

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.

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adverb

1. without restrictions or preconceptions.

   The children were allowed to paint free-form.

free form British  

noun

1. an irregular flowing shape, often used in industrial or fabric design

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adjective

1. freely flowing, spontaneous

Etymology

Origin of free form¹

First recorded in 1945–50

Origin of free-form²

First recorded in 1950–55

Example Sentences

Jason and Randy Sklar — Chappelle dropped in one night and did a beautiful 1½-hour free form riff.

From Los Angeles Times • Apr. 7, 2022

Slab pies and galettes are rustic and free form, but that doesn't mean they're ugly.

From Salon • Oct. 3, 2021

Many were drawn to slam poetry’s free form, which rewards wordplay and can be less intimidating for those with no formal education.

From Washington Post • Dec. 28, 2018

For one moment, there is only the molten dawn sun lighting the sky a poet red and the air racing cooly past him as he drops in free form flight.

From Slate • Feb. 19, 2018

Up to that time it generally had a free form, with frequent 'running-on' of the sense from one line to the next and marked irregularity of pauses.

From A History of English Literature by Fletcher, Robert Huntington