Galore means in large amounts or plentiful quantities. When something exists galore, there's way more than enough of it. At a county fair, you might find games galore, with dozens of different booths to try. A successful garage sale might have toys galore, books galore, and clothes galore.

The word always comes after the thing it describes, which makes it unusual in English. You don't say “galore cookies” but rather “cookies galore.” This placement gives the phrase a playful, abundant feeling, like you're throwing your arms wide to show just how much there is.

When you say there are “opportunities galore,” you're emphasizing that chances are everywhere, just waiting to be grabbed. “Problems galore” means troubles are piling up. The word suggests an overflowing, almost overwhelming quantity. If your teacher assigns homework galore, you're facing a mountain of assignments. If a library has books galore, its shelves are packed with more reading than you could finish in years.