- 1[transitive, intransitive] to cut someone or something with rough, heavy blows hack somebody/something + adv./prep. I hacked the dead branches off. They were hacked to death as they tried to escape. We had to hack our way through the jungle. + adv./prep. We hacked away at the bushes.
- 2[intransitive, transitive] (computing) to secretly find a way of looking at and/or changing information on someone else's computer system without permission hack into something He hacked into the bank's computer. hack something They had hacked secret data.
- 3[transitive] can/can't hack it (informal) to be able/not able to manage in a particular situation Lots of people leave this job because they can't hack it.
NAmE//hæk//Verb Forms present simple I / you / we / they hack
he / she / it hacks
past simple hacked
-ing form hacking