Neither the poem nor the writer Ed Justin have, so far, been sourced in any pre-existing form.

Some of Mr. Webre's works emanate from pre-existing forms.

As TV poured over the surface of everyday life its programmes made fewer and fewer concessions to pre-existing forms, institutions, media, manners.

Marx believed that the exploitation and poverty inherent in capitalism were a pre-existing form of class conflict.

He begins by using anatomical similarities, focusing on body structure, embryology, and "rudimentary organs" that presumably were useful in one of man's "pre-existing" forms.

It's almost as if ideas are pre-existing forms within this space.

As a result, research at APPRO is focused on the close examination of the interface between new and pre-existing forms of organization.

Only assimilation involves conformity to a pre-existing form.

There have, however, been voices of concern about the disambiguation with pre-existing or related forms of the word, although they appear to be dissipating as time progresses.

There are some subtle changes in the meaning when the new forms collide with some pre-existing forms: