tweener noun 9forms 1 noun9 •(informal) A tweenager.But a half-dozen other movies geared toward the teenage and 'tween girl market – 'tweeners are girls from 8 to 12 years old – have failed to make more than a slight dent at the box office. — 2004 •(informal) A person or thing that is between two categories, classes or age groups.So BMW has conjured a tweener — a roomier hatchback on platform shoes, with standard all-wheel drive — to attract customers who crave the 3 Series’ performance but need more utility to close the deal. — 2014 •(informal) A person who plays at two positions, especially if not good enough at either to be restricted to it.Crowder was 6-foot-6 and 230 pounds, so those scouts naturally called him a tweener — a power forward in a wing player’s body. The Celtics forward admits to even going along with the stereotype. — 2015 •(informal) A computing device that is smaller than a traditional laptop, but larger than a PDA.Trailing a little behind that in hype are the ’tweeners: the larger-format Windows CE Palm Pro portables. They’re not quite notebooks or subnotebooks, but they’re bigger than handhelds. — 1999 •(informal) A boxer in various newcomer weight classes whose names often contain super, light or junior. •(informal, slang) A professional wrestler who is neutral or morally ambiguous; neither a face nor a heel, or showing no favoritism to either allegiance.When Crockett hit TBS, [Ric] Flair was a babyface within its territory, but a heel in the areas he visited as champion, so it compromised, and on TBS, he became a “tweener” who took on all comers. — 2015 •(informal) A film that falls between two genres or audiences (and thus may not be easily marketed).With a less bankable cast, “Cold Mountain” became an $80-million-plus “tweener,” neither a blockbuster studio movie nor a modest “indiewood” production like “Lost in Translation.” — 2004 •A shot that is hit between the legs. •A person, machine, or piece of software that performs tweening. formstweeners