Vox āctīva
Indicātīvus praesēns
| ego | siccēscō |
| tū | siccēscis |
| is / ea / id | siccēscit |
| nōs | siccēscimus |
| vōs | siccēscitis |
| eī / eae / ea | siccēscunt |
Indicātīvus imperfectum
| ego | siccēscēbam |
| tū | siccēscēbās |
| is / ea / id | siccēscēbat |
| nōs | siccēscēbāmus |
| vōs | siccēscēbātis |
| eī / eae / ea | siccēscēbant |
Indicātīvus futūrum
| ego | siccēscam |
| tū | siccēscēs |
| is / ea / id | siccēscet |
| nōs | siccēscēmus |
| vōs | siccēscētis |
| eī / eae / ea | siccēscent |
Coniūnctīvus praesēns
| ego | siccēscam |
| tū | siccēscās |
| is / ea / id | siccēscat |
| nōs | siccēscāmus |
| vōs | siccēscātis |
| eī / eae / ea | siccēscant |
Coniūnctīvus imperfectum
| ego | siccēscerem |
| tū | siccēscerēs |
| is / ea / id | siccēsceret |
| nōs | siccēscerēmus |
| vōs | siccēscerētis |
| eī / eae / ea | siccēscerent |
Imperātīvus praesēns
| tū | siccēsce |
| vōs | siccēscite |
Imperātīvus futūrum
| tū | siccēscitō |
| is / ea / id | siccēscitō |
| vōs | siccēscitōte |
| eī / eae / ea | siccēscuntō |
Īnfīnītīvus praesēns
| — | siccēscere |
Participium praesēns
| — | siccēscēns |
Gerundium (genitīvus)
| — | siccēscendī |
Gerundium (datīvus)
| — | siccēscendō |
Gerundium (accūsātīvus)
| — | siccēscendum |
Gerundium (ablātīvus)
| — | siccēscendō |