liftoff |
offlist |
As a noun liftoff
is the point in the launch of a rocket or an aircraft where it leaves contact with the ground.
As an adjective offlist is
(internet) not on a mailing list or newsgroup.
newsgroup |
offlist |
As a noun newsgroup
is a repository on a computer network where people can post messages, usually about a single subject.
As an adjective offlist is
not on a mailing list or newsgroup.