half again as

half again as

many/much
One-and-a-half times as much or as many; 50 percent more.
See also: again, half
References in classic literature ?
He was half again as large as any that Tara of Helium had yet seen and his whole aspect infinitely more terrible.
295-305) And in a hollow cave she bare another monster, irresistible, in no wise like either to mortal men or to the undying gods, even the goddess fierce Echidna who is half a nymph with glancing eyes and fair cheeks, and half again a huge snake, great and awful, with speckled skin, eating raw flesh beneath the secret parts of the holy earth.