Electrify means to charge something with electricity or to provide it with electric power. When cities first electrified their streetcar systems in the 1890s, they replaced horse-drawn cars with ones powered by overhead electric wires. Today we might talk about electrifying a rail line, converting trains from diesel engines to electric motors that run on electricity from power lines.

The word also means to thrill or excite someone intensely, as if an electric shock ran through them. A spectacular play in a basketball game can electrify the crowd, making everyone leap to their feet and cheer. A talented speaker might electrify an audience with a powerful story. When you hear a piece of news so exciting that you feel a jolt of energy surge through your body, that's the feeling the word captures.

An electrifying performance is so exciting it makes people feel charged up, alert, and alive. Notice how both meanings connect to electricity's power to create sudden, intense energy, whether running through wires or through a person's emotions.