IPA: /ˈtrɛm.jə.ləs/
KK: /ˈtrɛm.jə.ləs/
In a way that shows fear or nervousness, often with shaking or trembling.
She spoke tremulously, her voice shaking with fear.
Tremulously → It is formed from "tremulus" (from Latin, meaning trembling or quivering) and the suffix "-ly" (meaning in a manner of). The word "tremulously" means in a manner that is trembling or quivering.
Think of the Latin word for trembling, 'tremulus', to remember that 'tremulously' describes doing something in a trembling manner.