1. extent, degree, measure
2. limit, bounds
3. (span of) time
4. (a) distance
5. the state of, the status of, the condition of
6. about, around, approximately, or so
7. as much as ..., to the extent of ..., like ...
8. the more ... the more ...
1. dark, gloomy, murky
2. depressed, dispirited, down in the dumps, dark (mood)
3. dark (in colour), dull
4. ill-boding, dark (e.g. past), suspicious
5. unlikely (to succeed), hopeless, unpromising
6. unfamiliar (with), ignorant (of)