"She sat comfortably on the plush sofa, easily sinking into the soft cushions without a care in the world."
In plain English: Easily means without any trouble or effort at all.
"She can easily solve this math problem."
Usage: Use "easily" to describe doing something with little effort or difficulty, such as solving a simple problem. It can also indicate that something happens without causing pain or anxiety, like sleeping comfortably after taking medication.
Example Sentences
"She can easily solve this math problem."adv
"She can easily solve complex math problems in her head."adv
"The old door opens too easily and needs repair."adv
"I did not realize the work was so easily done until I tried it myself."adv
Easily comes from Middle English esiliche, which was formed by adding the suffix -ly to the word easy. The term traveled into English with its current meaning of "without difficulty."