Huastec adjective 2noun 2forms 3 adjective2 •Of or pertaining to the Huastec people. •Of or pertaining to the inhabitants of La Huasteca, Mexico. noun2 •A member of an indigenous people inhabiting the Mexican states of San Luis Potosí, Veracruz, and Tamaulipas. •Any person from the Mexican region known as La Huasteca, where the Huastecs have traditionally lived. formsHuastecs · more Huastec · most Huastec