Further
Further adjective - Resulting in an increase in amount or number.
Optional and further are semantically related in additional topic. In some cases you can use "Optional" instead an adjective "Further".
Nearby Words: furthered, furthering
Optional
Optional adjective - Subject to one's freedom of choice.
Further and optional are semantically related in additional topic. Sometimes you can use "Further" instead an adjective "Optional".
Nearby Words: option, optionally
Mutual synonyms
Both words in one sentence
- Chapter 2 is a Gladiator Subquest; afterwards, you can return to the arena for some further fights, which are optional.
Source: Video Game / Blackguards -
If you want to take it further, the second world supplied you with monsters with awesome skillsets, namely Healers, and the optional mandatory recruitted Octo.
- Optional Sexual Encounter is a scene where the Player Character gets laid, without further effects on gameplay and story.
Source: Trope Distinctions / J to R
Cite this Source
Optional and Further. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/further/optional
Further & Optional. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/further/optional>.
Optional or Further. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/further/optional.
Google Ngram Viewer shows how "further" and "optional" have occurred on timeline