Simple past tense and past participle of shudder.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "shuddered" in a sentence
"When Jamrkan heard these words, the ears of his heart were opened; his skin shuddered with horripilation and he said, O my lord, what shall I say that"
"The airplane shuddered from the movement of the heavy control surfaces."
"Mary smiled, but the word shuddered in her throat like a weary moan."