1. To stun; to render senseless, as by a blow.
2. To strike with sudden fear, terror, or wonder; to amaze; to surprise greatly, as with something unaccountable; to confound with some sudden emotion or passion.

(Irregular preterit, past participle: overtook, overtaken).
1.To catch up with and possibly overtake; SYN. catch, catch up with.
2. To come upon suddenly.

1. To take unawares or by surprise; cause to be surprised
2. To take unawares