noun

1. The most basic or fundamental of a set of things

2. The final or most distant point; the conclusion

3. The greatest extremity; the maximum

verb

1. To finish; to complete.

adjective

1. Final; last in a series.

2. (of a syllable) Last in a word or other utterance.

3. Being the greatest possible; maximum; most extreme.

   “the ultimate disappointment”

Synonyms: utmost, uttermost