- lacking definite form; having no specific shape; formless: the amorphous clouds.
- of no particular kind or character; indeterminate; having no pattern or structure; unorganized: an amorphous style; an amorphous personality.
- occurring in a mass, as without stratification or crystalline structure.
- not crystalline.
- having structural components that are not clearly differentiated, as the nuclear material in certain bacteria.
- lacking a definite shape; formless
- of no recognizable character or type
- (of chemicals, rocks, etc) not having a crystalline structure
