1. (noun)disgracefully, ingloriously, ignominiously, discreditably, shamefully, dishonorably, dishonourably in a dishonorable manner or to a dishonorable degree "his grades were disgracefully low"
2. (adverb)disgracefully, ingloriously, ignominiously, discreditably, shamefully, dishonorably, dishonourably in a dishonorable manner or to a dishonorable degree "his grades were disgracefully low"