By Yours Truly,
"The craven was too scared to go on the roller coaster."
Destructive to life
"Ischemic heart disease is very pestilent"
"Will is very capricious, so I will never know he will react to things"
To sympathize with
"Nick commiserated with Urban after he heard the story of how his dog ran away"
A line of evenly spaced columns
"Mark finished his plans of the colonnade to support half of the roof"
"Even though he was warned by his doctor, Matt continued his injurious smoking habit"
Lacking seriousness or sense
"Blanston threw away his phone with much frivolity
Lack of error
"Nathan's method of proofreading was infallible"
To express by gesturing
"Richard couldn't think of the word he was looking for, so he was gesticulating to get his point across"
To not be calm
"Alan was an implacable enemy"