a person or thing that follows the lead or initiative of another.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use tagalong in a sentence
That has left astronomers to wonder about the nature of such tagalong rocks.A space rock called Kamoʻoalewa may be a piece of the moon | Maria Temming | November 22, 2021 | Science News
If the bar’s rotation slows, it will grow in length, and the bar’s tagalongs will also move outward.Dark matter may slow the rotation of the Milky Way’s central bar of stars | Emily Conover | June 25, 2021 | Science News
Allen’s sister — born Phylicia Ayers-Allen but later well-known as the actress Phylicia Rashad — knew early on that her little tagalong sibling would grow up to be a dancer.