The phrase "biggest highlight" refers to the most significant or important moment or event. It is something that stands out and is considered the most memorable or impressive.
Sentences with «biggest highlight»
I go nuts when I see monkeys so this was one big highlight for me. (patagoniadreaming.com)
The second biggest highlight with the phone is it's battery. (themrphone.com)
The bosses are some of the game's biggest highlights game so this is a great mode to play. (monamiibo.com)