shapeless
[adjective]
Synonyms: formless, amorphous, irregular, misshapen, unstructured

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Antonyms: shapeful, shapely
Contrasted words: proportional, proportionate, proportioned, shapeful, symmetrical
Related Words: unshapely, deformed, misshapen

[TahlilGaran] English Synonym Dictionary ▲

shape‧less /ˈʃeɪpləs/ adjective
[Word Family: adjective: shapeless, shapely, misshapen; verb: shape; noun: shape; adverb: shapelessly]

1. not having a clear or definite shape:
a shapeless dress

2. something such as a book or a plan that is shapeless does not seem to have a clear structure
—shapelessly adverb

[TahlilGaran] Dictionary of Contemporary English ▲