shapeless

adjective

1. having no definite or regular shape or form: a shapeless mass of clay.
2. lacking beauty or elegance of form.

adjective

1. having no definite shape or forma shapeless mass; a shapeless argument
2. lacking a symmetrical or aesthetically pleasing shapea shapeless figure

adj.c.1300, from shape (n.) + -less. Related: Shapelessly; shapelessness.