Lacking
Lacking adjective - Not coming up to an expected measure or meeting a particular need.
Unfinished and lacking are semantically related in not complete topic. In some cases you can use "Unfinished" instead an adjective "Lacking".
Unfinished
Unfinished adjective - Not brought to the desired final state.
Lacking and unfinished are semantically related in imperfect topic. You can use "Lacking" instead an adjective "Unfinished", if it concerns topics such as not complete, not completed.
Mutual synonyms
Related pairs
Both words in one sentence
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Unfinished Business: Ghosts of people who did not take care of the poor in this life are doomed to wander the earth observing all the people they could have helped, but lacking the power to do anything.
Source: Literature / A Christmas Carol -
As s consequence, she won't be able to talk to high-ranked people in the castle... Obvious Beta: The English language version of Princess Maker 2 is quite clearly in an unfinished state, with many endings lacking proper text.
Source: Video Game / Princess Maker
Cite this Source
Unfinished and Lacking. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/lacking/unfinished
Lacking & Unfinished. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/lacking/unfinished>.
Unfinished or Lacking. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/lacking/unfinished.
Google Ngram Viewer shows how "lacking" and "unfinished" have occurred on timeline