- 1sanction something (formal) to give permission for something to take place The government refused to sanction a further cut in interest rates.
- 2sanction somebody/something (technology) to punish someone or something; to impose a sanction on something
NAmE//ˈsæŋkʃn//Verb Forms present simple I / you / we / they sanction
he / she / it sanctions
past simple sanctioned
-ing form sanctioning