Any process that stops, prevents or reduces the frequency, rate or extent of microvillus assembly.
Synonyms:
exact_synonym:
down regulation of microvillus assembly; downregulation of microvillus assembly
narrow_synonym:
inhibition of microvillus assembly
related_synonym:
down regulation of microvillus biogenesis; downregulation of microvillus biogenesis; inhibition of microvillus biogenesis; negative regulation of microvillus biogenesis