"Feverish speculation" means engaging in intense and anxious guesswork or rumors about something, often without enough evidence or information. Full definition
Following months of feverish speculation about the identity of the villain in J.J. Abrams» Star Trek sequel, most of it centering on one Khan Noonien Singh, star Karl Urban may have finally let slip who Benedict Cumberbatch plays in the film. (cbr.com)
After another week of feverish speculation, Nintendo teased that this new Switch reveal is happening today. (video-games-galore.com)
Wearables are the tech world's current darlings, with feverish speculation around the timing of Apple's iWatch drop and several new devices being debuted earlier this year at the Consumer Electronics Show. (canadianbusiness.com)