unawares -- (without forethought or plan; inadvertently; "came upon the diamond unawares")
unawares -- (suddenly and unexpectedly; "rain caught them unawares"; "sorrow comes to all, and to the young it comes with bittered agony because it takes them unawares"- A.Lincoln)
short, unawares -- (at a disadvantage; "I was caught short")
(Sound)
