noun

a feeling of self-consciousness, shame, or awkwardness.

I turned red with embarrassment

awkwardness,self-consciousness,unease,uneasiness,discomfort,discomfiture,edginess,shame,humiliation,mortification,ignominy,sheepishness,shyness,bashfulness,discomposure,flusteredness,perturbation,confusion,agitation,distress,chagrin