Adverb
Used other than figuratively or idiomatically: see not, long.
"How long have you been in the service?" ―"Not long."
(UK) Fairly recently.
Source: en.wiktionary.orgWere the walls of our meat industry to become transparent, literally or even figuratively, we would not long continue to raise, kill, and eat animals the way we do. Michael Pollan
History does not long entrust the care of freedom to the weak or the timid. Dwight D. Eisenhower
This is a world of compensation and he who would be no slave must consent to have no slave. Those who deny freedom to others, deserve it not for themselves and, under a just God, can not long retain it. Abraham Lincoln
A fool's money is not long in his pocket. Irish Proverb
When once at sea, do not long to be on shore. Latin Proverb
Revenge does not long remain unrevenged. German Proverb