The professor just seems to drone on and on, endlessly.
No, endlessly is an adverb. The adjective form is endless.
A flat extending endlessly in all directions is called a plane.
use aver in a sentence
use the word rigorousness in a sentence
"It is easy to use an exponent in a sentence." There, that sentence uses it!
He would prate endlessly about his life
the professor droned on endlessly
As he spoke endlessly , the word sesquipedalian came to mind to describe him.
Pavarotti's voice seemed to resonate endlessly in that cathedral.
My comrades and I fought endlessly against the taliban in afghanistan.
The bullies tormented him endlessly.
endlessly
Vast - of great area, of immense extent; extensive Sentence: Texas is a vast state. A million dollars is a vast amount of money.
He would prate endlessly about the past but say nothing useful about our present dilemma.
We heard the rock echo as it fell into the abyss.
The azure sky stretched endlessly overhead as I relaxed on the sandy beach.
"The wind blew endlessly, making her detest the barren plains she had agreed to move to."