1. very, considerably, easily, readily, fairly, quite, highly, rather
2. by no means, not readily
3. middle, half-way point
4. excellent, wonderful, very good
1. to go out of use, to become obsolete, to die out, to go out of fashion, to go out of style
2. to decline (e.g. of morals), to be lost, to go into decline (of a town, business, etc.)