negative regulation of protein deubiquitination
Any process that decreases the frequency, rate or extent of protein deubiquitination. Protein deubiquitination is the removal of one or more ubiquitin groups from a protein.
GO:0090085
regulation of protein deubiquitination
is_a
GO:1903321
negative regulation of protein modification by small protein conjugation or removal
is_a
GO:0016579
protein deubiquitination
negatively_regulates