Adjective:
yoluntu, emkhosini, sixunela, lingekabi, akuqolanga, ongaphuhliswanga, ekrwada, ndiseyimbumba.
Adverb:
lingekabi, ngaphambi kwexesha, kusasa, ngaphambili.
...I realized his UNTIMELY demise provided me with the opportunity to replace him...
He was knighted almost immediately after his master's UNTIMELY death.
I married her Aunt Lysa shortly before my beloved's UNTIMELY death.