And not. / Used to indicate that the following alternative is less preferred.

instead of; in preference to.

Misspelling of then again.

(idiomatic) Except, besides. / (idiomatic) Otherwise than; in any other way than, for any other reason than, etc.

(idiomatic) Very much under the influence of drugs

(informal) stingy with money

(of an aircraft) Weighing more than the volume of air which it displaces. / Of, pertaining to, or using an aircraft which weighs more than the volume of air it displaces.

that is lighter than air, describing materials or aircraft.

Faster than the speed of light in a vacuum, the theoretical speed limit for travel within the universe.

(idiomatic) Usually; more than half the time; more likely to be the case than not to be the case.