Any process that stops, prevents, or reduces the frequency, rate or extent of gamma-delta T cell differentiation.
Comment:
Note that immunologists typically use the word 'development' to refer to cells of B or T cell lineages undergoing the process that GO describes as 'cell differentiation'.
Synonyms:
exact_synonym:
down regulation of gamma-delta T cell differentiation; downregulation of gamma-delta T cell differentiation; negative regulation of gamma-delta T lymphocyte differentiation
narrow_synonym:
inhibition of gamma-delta T cell differentiation
related_synonym:
negative regulation of gamma-delta T cell development