An Encylopedia Britannica Company

deep–six

1 ENTRIES FOUND:
deep–six /ˈdiːpˈsɪks/ verb
deep–sixes; deep–sixed; deep–sixing
deep–six
/ˈdiːpˈsɪks/
verb
deep–sixes; deep–sixed; deep–sixing
Britannica Dictionary definition of DEEP–SIX
[+ object] US, informal
: to get rid of (something) : to no longer use or consider (something)