Related Clues:
- Thick — compact
- Like pea-soup fog
- Ends badly for sweetheart in tight crowd
- Not at all sharp
- Like some populations
- Scarcely bright
- Not very bright, but studies English
- Packed in tight
- Having a high specific gravity
- Overgrown, as a rain forest
- Like Archie's pal Moose
- Obtuse — impenetrable
- Crowded together, which is stupid
- Solid, thick
- Stupid compact