| wiry |
| based on hard data |
| based on hard facts |
| brick wall(expression, adjective, hard, compact, dense) |
| cast-iron |
| close(adjective, hard, compact, dense, rock-hard) |
| compact(adjective, hard, dense, rock-hard) |
| compacted(adjective, hard, compact, dense, rock-hard) |
| concentrated(adjective, hard, compact, dense, rock-hard) |
| concrete(adjective, hard, compact, dense, rock-hard) |
| consolidated(adjective, hard, compact, dense, rock-hard) |
| dense(adjective, hard, compact, rock-hard) |
| dimensional(adjective, hard, compact, dense, rock-hard) |
| fixed(adjective, hard, compact, dense, rock-hard) |
| frozen(adjective, hard, compact, dense, rock-hard) |
| heavy(adjective, hard, compact, dense, rock-hard) |
| hefty(adjective, hard, compact, dense, rock-hard) |
| hulk(adjective, hard, compact, dense, rock-hard) |
| hunk(adjective, hard, compact, dense, rock-hard) |
| husky(adjective, hard, compact, dense, rock-hard) |