headliny adjective3 •(informal) Resembling or characteristic of a headline (the heading or title of an article); typical of or incorporating headlinese. •(informal) Hitting the headlines; (worthy of) having or being given headlines.Doak rung up a two-bagger, but his gardening in the alfalfa was not of the headliny variety. — 1910 •(informal) Resembling, characteristic of, or worthy of being a headline or headliner (the top-billed attraction or performer).The headliners, Tony Bennett, Dick Shawn, and June Valli, were never headlinier. [And they get paid three times their normal night club fee!] — 1956 formsheadlinier · headliniest