unawares (Adverb) — Without forethought or plan; inadvertently. ex. "came upon the diamond unawares"
unawares (Adverb) — Suddenly and unexpectedly. ex. "rain caught them unawares" ex. "sorrow comes to all, and to the young it comes with bittered agony because it takes them unawares"
unawares (Adverb) — At a disadvantage. ex. "I was caught unawares"