adverb

1. Indicating the last item.

   “Firstly,… Secondly,… Ultimately,…”

2. Indicating the most important action.

   “Ultimately, he will have to make a decision before the end of the week.”

3. Used to indicate the etymon at which a given etymological derivation terminates.

   “Cognate to Gottscheerish boßər, bàsser. Ultimately cognate to standard High German Wasser.”

Synonyms: at last, finally, in the end, at the end of the day, when all is said and done, terminal etymon