(idiomatic) Alternative form of never in a million years

Indicates that the speaker is a not a follower of religious doctrine.

(informal) Very little space (available) (of a very small room).

(idiomatic) at the last possible moment; just in time / (idiomatic) after an undesirable delay; undesirably late

Used to indicate that somebody does not wish to be disturbed, e.g. a sign on a hotel room door, or a "busy" mode of an instant messenger.

(business, engineering, idiomatic) Invented outside one's own organization (referring to the knee-jerk dismissal of products, technologies, etc. that come from third parties).

(idiomatic) Not at all, not in the slightest

Much, no little, more than a little.

Much, very; considerably.

Indicates that an area should not be entered, e.g. a military installation, or as a sign on a hotel room door.