Deny - meaning: to refuse to admit the truth or existence of something.
Opposite: Accept
Sentence: Even though there was ample evidence, he continued to deny the allegations.
Close - meaning: to shut something or make it not open.
Opposite: Open
Sentence: Please close the window to keep the room warm.
Receive - meaning: to be given or presented with something.
Opposite: Send
Sentence: She was thrilled to receive a letter from her pen pal.
Anxious - meaning: experiencing worry, unease, or nervousness.
Opposite: Calm
Sentence: He felt anxious before his first big presentation at work.
Mended - meaning: repaired or fixed.
Opposite: Broken
Sentence: The seamstress mended the tear in my dress perfectly.