- so important as to be named at or near the top of a newspaper item, advertisement, or the like: a topline actress; topline news.
- of the highest reputation, importance, etc.: a topline business firm.
Origin of topline
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for topliner
"I always thought Ralston was cast for a topliner," continued the hostess, as he modestly evaded their congratulations.Mortmain
Arthur Cheny Train