| repentant(adjective, sad, unhappy, regret, apologetic) |
| penitent(adjective, sad, unhappy, sorrowful, regret) |
| contrite(adjective, sad, unhappy, regret, apologetic) |
| sorry(adjective, sad, informal, unhappy, regret) |
| apologetic(adjective, sad, unhappy, regret, remorse) |
| regretful(adjective, sad, unhappy, regret, apologetic) |
| remorseful(adjective, sad, unhappy, regret, guilty) |
| compunctious(adjective, sad, unhappy, regret, apologetic) |
| penitentiary |
| compunction(noun, adjective) |
| expiatory |
| rueful(adjective, sad, unhappy, apologetic, remorseful) |
| sorrowful(adjective, sad, unhappy, apologetic, remorseful) |
| conscience-stricken(adjective, sad, unhappy, apologetic, remorseful) |
| guilt-ridden(adjective, sad, unhappy, apologetic, remorseful) |
| melted(sad, unhappy, apologetic) |
| mournful(adjective, sad, unhappy, apologetic, remorseful) |
| piacular |
| redemptive |
| remorse(noun, adjective) |