deep-six
verb [usually passive] (North American English, informal)Verb Forms
| present simple I / you / we / they deep-six | |
| he / she / it deep-sixes | |
| past simple deep-sixed | |
| past participle deep-sixed | |
| -ing form deep-sixing |
- deep-six something
to decide not to do or use something that you had planned to do or use 放弃；抛弃；丢弃 Plans to build a new mall were deep-sixed after protests from local residents. 修建新购物中心的计划由于当地居民反对而终止。
Word Origin1920s (as the deep six ‘the grave’): perhaps from the custom of burial at sea at a depth of six fathoms.