Scrambler (noun)

1. A person or thing that moves quickly and without clear direction.
2. A device that changes the order of a set of signals or makes them difficult to understand.
3. A type of off-road motorcycle used for rough terrain riding.

Origin:

The word 'scrambler' originated in the late 19th century as a variant of the word 'scramble', meaning to climb or move quickly with difficulty, but without clear direction. the word has evolved over time to mean various different things.

Examples:

1. The children were scramblers as they ran around the playground.
2. The scrambler changed the order of the signals so that the message was unreadable.
3. The rider was a skilled scrambler and able to navigate the toughest terrain on his motorcycle.
4. The scrambler was used to secure sensitive information transmitted over the radio.
5. The scrambler was a fierce competitor, constantly pushing the limits of his motorcycle and his own abilities.