Definitions

1. adjective

being the most extreme or exaggerated in its use of stilts or in its ability to be unstable or precarious

“She walked on the stiltiest shoes she could find to add a touch of drama to her performance.”

2. adverb

in the most extreme or exaggerated way, using stilts or being unstable or precarious

“She walked stiltiest across the tightrope, her heart pounding with every step.”