Almost means very nearly, but not quite. When you're almost finished with your homework, you're close to the end but still have a bit left to do. When your basketball shot almost goes in, it circles the rim before bouncing out.

The word captures that frustrating or exciting moment right before something happens or reaches completion. You might be almost tall enough to ride the roller coaster, meaning you need just another inch or two. A runner who almost wins a race comes in second, perhaps by just a fraction of a second.

Almost often appears with “but not quite” to emphasize how close something came: “I almost remembered her name, but not quite.” Sometimes people use it to soften disappointment: saying “we almost won” focuses on how close the team came rather than dwelling on the loss.

Notice that almost always means the thing didn't actually happen. If someone says they almost called you, they didn't call you. If you almost finished reading a book, you haven't finished it yet. The word marks the gap between trying and succeeding, between close and complete.