deep-six
1 of 2verb
ˈdēp-ˈsiks 
deep-sixed; deep-sixing; deep-sixes
transitive verb
1
: to get rid of : discard, eliminate
legislators voting to deep-six a government program
2
slang : to throw overboard
deep six
2 of 2noun
slang
: a place of disposal or abandonment —used especially in the phrase give it the deep six
Synonyms
Verb
- cashier
- cast (off)
- chuck
- discard
- ditch
- dump
- eighty-six
- 86
- exorcise
- exorcize
- fling (off or away)
- jettison
- junk
- lay by
- lose
- pitch
- reject
- scrap
- shed
- shuck (off)
- slough (off)
- sluff (off)
- throw away
- throw out
- toss
- unload
See all Synonyms & Antonyms 
Word History
Etymology
Noun
from the leadsman's call by the deep six for a depth corresponding to the sixth deep on a sounding line
First Known Use
Verb
1952, in the meaning defined at sense 1
Noun
1929, in the meaning defined above
deep-sixed
verb
as in discarded
to get rid of as useless or unwanted deep-sixed the documents with the incriminating evidence Synonyms & Similar Words
Relevance
- discarded
- dumped
- ditched
- unloaded
- lost
- scrapped
- jettisoned
- abandoned
- junked
- rejected
- cashiered
- eighty-sixed
- tossed
- exorcised
- removed
- chucked
- shed
- 86'd
- eliminated
- threw away
- exorcized
- disposed of
- set aside
- dismissed
- pitched
- laid by
- sluffed (off)
- threw out
- forsook
- abolished
- abdicated
- shucked (off)
- deserted
- cast (off)
- sloughed (off)
- expunged
- eradicated
- flung (off or away)
- kicked out
- extirpated
- exterminated
- annihilated
- liquidated
- wiped out
- extinguished
- stamped (out)
- rooted (out)
Antonyms & Near Antonyms
- adopted
- used
- utilized
- employed
- embraced
- retained
- kept
- held
- took on
- held back