negative regulation of venous endothelial cell fate commitment
Any process that stops, prevents or reduces the frequency, rate or extent of venous endothelial cell fate commitment.
GO:0010454
negative regulation of cell fate commitment
is_a
GO:0110059
negative regulation of blood vessel endothelial cell differentiation
is_a
GO:2000787
regulation of venous endothelial cell fate commitment
is_a
GO:0060845
venous endothelial cell fate commitment
negatively_regulates