Definition of amorphous in English:



  • 1Without a clearly defined shape or form.

    ‘an amorphous, characterless conurbation’
    ‘amorphous blue forms and straight black lines’
    • ‘Elsewhere, amorphous biological shapes remind you of transplant organs on life-support machines, or the literal ‘test-tube’ babies.’
    • ‘Several drawings depict forms that have the amorphous shapes of sea life such as hydras and jellyfish.’
    • ‘The cryptic little icons surrounding the figure include clusters of rather phallic winged hearts, a hand that reaches into the picture from beyond the frame and an amorphous red shape emblazoned with a white cross.’
    • ‘They were amorphous blobs of darkness that shifted between three shapes.’
    • ‘I just sat and watched amorphous shapes going past through the warped glass.’
    • ‘This repeated approach gets messed up with the layering of gestural elements and, surprisingly, areas that looks like they could be a tiny skyscapes or a shadow of the amorphous forms floating over the black backgrounds.’
    • ‘Stretched along the umbrella's base, a large, pale gray, amorphous shape could be a shadow, a sack or a lifeless body.’
    • ‘The room was darkly lit and the amorphous silhouettes littered about in the shadows made it claustrophobic.’
    • ‘Sometimes, that's the only way to get an amorphous blob into shape.’
    • ‘It gradually changed color to a dull, dark hue and then finally into a less formed white, amorphous shape, before disappearing altogether.’
    • ‘Her third work, a video performance, depicts him performing as an old man, whittling an amorphous shape.’
    • ‘When such is the case, the beam projected will be highly diffused and of amorphous shape, indicating that it's being bounced off the side of the bore.’
    • ‘Here an organized coil of thick nickel cable is able to stand on its side, while loose lengths of thinner wire assume increasingly amorphous shapes.’
    • ‘Apart from these clearly definable shapes, the orbicular elements were generally amorphous.’
    • ‘Within the transparency, amorphous shapes glowed a pinkish grey, punctuated with darker, circular masses.’
    • ‘Indeed her mysterious motifs and amorphous shapes are grounded in the physical - the human presence in many of her works is at times overwhelming.’
    • ‘After the amorphous shape was noted and identified by the faithful as an image of Mary, that particular sprinkler head - and only that one - was closed off so that no one could suggest the mundane reasons for the stain.’
    • ‘At first they were just amorphous multicolored shapes that would vanish spontaneously when confronted.’
    • ‘Not only is it totally misshapen for meat, pretty much an amorphous blob, taking on a slight tear-drop shape, but it's also connected up to an array of tubes, each slowly pumping various fluids into it.’
    • ‘Where the paint takes over, it creates amorphous shapes that remain on the surface of the canvas.’
    shapeless, formless, unformed, unshaped, structureless, unstructured, indeterminate, indefinite, vague, nebulous
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    1. 1.1 Lacking a clear structure or focus.
      ‘an amorphous and leaderless legislature’
      • ‘I have never known a country so amorphous and yet so self contained, so individual.’
      • ‘Therefore, he repeatedly undercuts his real basis of power precisely by figuring as the leader of an amorphous mass.’
      • ‘While this gives much-needed structure to the seemingly amorphous mass that was the British empire, it does require some patience to keep aloft the various intellectual spheres juggled by the author.’
      • ‘International law is one of the most amorphous bodies of law out there.’
      • ‘It is undoubtedly a daring attempt to generate a real sense of urbanity and human focus in the spiritual desert of the amorphous North American suburb.’
      • ‘This chapter rejects this approach and focuses on the cultural and commercial exchanges between an amorphous Europe and the societies to its east.’
      • ‘With this powerful knowledge, we now look at consumers as individuals, not huge amorphous groups of potential buyers.’
      • ‘The sociology of music remains a somewhat amorphous subdiscipline, with no very clear lines of demarcation between sociology, social anthropology, and ethnomusicology.’
      • ‘Some of my favorite albums in recent memory used exotic instruments, indecipherable lyrics, and amorphous structures to create a sublime aura of the unreal.’
      • ‘The National Theatre of Scotland is a scheme without precedent, an organisation that will be neither a building nor a company but an amorphous commissioning body.’
      • ‘The war effort was built upon volunteer companies and the amorphous state militias behind them.’
      • ‘Ponds, however, have an amorphous structure, whereas neural networks have a discrete structure based on prior learning.’
      • ‘In fact, the organizers, an amorphous collection of individuals, groups and organizations, had hoped that possibly 30,000 would participate.’
      • ‘Attempting to answer it by using saber-rattling to attack an amorphous axis of enemies is a great failure of leadership.’
      • ‘If they want to get their message across, antiglobalization forces must unite and search for leaders currently lost in the sea of a violent, amorphous mob.’
      • ‘Generally, when people describe systemic sexism, they refer to an amorphous, unspoken structure in the workplace and an old boys' club dominating the corporate world.’
      • ‘This predictably led to a discussion of that vague, amorphous entity called the audience.’
      • ‘And we take them as individuals, not as an amorphous mass.’
      • ‘They were not individuals, but an amorphous mass, a group of so-called queue jumpers.’
      • ‘Feature films are not just testimonials - they need a shape - and this film is conspicuously amorphous.’
    2. 1.2Mineralogy Chemistry (of a solid) not crystalline, or not apparently crystalline.
      ‘an amorphous polymer’
      • ‘It exists in three allotropic forms: a silvery white metal; a yellow, crystalline solid; and an amorphous black powder.’
      • ‘Consequently, the formerly crystalline solid becomes amorphous.’
      • ‘If the solution is cooled quickly, the molecules are frozen where they are, forming a glass-like amorphous solid.’
      • ‘The majority of the head is infilled with an amorphous mineral deposit, obscuring the rest of the internal and ventral structures.’
      • ‘Silica exists in several crystalline forms, in a large number of colloidal forms, and as an amorphous solid.’


Mid 18th century: from modern Latin amorphus, from Greek amorphos ‘shapeless’ (from a- ‘without’ + morphē ‘form’) + -ous.