I feverishly layed in bed.
I worked feverishly to get the test completed.
The crew is working feverishly to finish our project on time. She's only spoken feverishly, today.
The people feverishly sent calls for help.
yes feverishly is an adverb. It tells how ex: He wrote feverishly to complete is work on time. feverishly describes how he wrote.
Climactic is an adjective that pertains to a climax of a story. The word is kind of over the top, so be careful of how often you use it. "Jane worked feverishly so that she could have a great climactic ending to her novel."
calmly
Two main uses I can think of: "Sick and frail, the old man moaned feverishly as he covered himself with a blanket." "The crazy spinster feverishly warned of impending Armageddon to passers by."
Depending on the usage, the opposite of the adverb feverishly could be calmly, or deliberately, or slothfully. Others could be coolly, serenely, or unexcitedly.
synonym
Apparently nowhere....I too have been searching feverishly for the same info.....
you go down the street and start feverishly blowing as many men as you can.
Big on the Web - 2010 White House Trends Feverishly Online as House Works on 4th 2-92 was released on: USA: 5 July 2011