| faithful(adjective, passionate, ardent, sincere, spiritual) |
| fervent(adjective, passionate, ardent, sincere, spiritual) |
| genuine(adjective, passionate, ardent, sincere, spiritual) |
| godly(adjective, passionate, ardent, sincere, spiritual) |
| heart-and-soul(adjective, passionate, ardent, sincere, spiritual) |
| heartfelt(adjective, passionate, ardent, sincere, spiritual) |
| intense(adjective, passionate, ardent, sincere, spiritual) |
| orthodox(adjective, passionate, ardent, sincere, spiritual) |
| passionate(adjective, ardent, sincere, spiritual, devoted) |
| pietistic(adjective, passionate, ardent, sincere, spiritual) |
| pious(adjective, passionate, moral, ardent, sincere) |
| prayerful(adjective, passionate, ardent, sincere, spiritual) |
| profound(adjective, passionate, ardent, sincere, spiritual) |
| prudish(adjective, well-behaved, smug) |
| religious(adjective, passionate, ardent, sincere, spiritual) |
| reverent(adjective, passionate, ardent, sincere, spiritual) |
| revering(adjective, passionate, ardent, sincere, spiritual) |
| serious(adjective, passionate, ardent, sincere, spiritual) |
| staunch(adjective, spiritual, devoted, religious, pious) |
| straightlaced |