Free
Free adjective - Not being under the rule or control of another.
Not booked and free are semantically related. In some cases you can use "Not booked" instead an adjective "Free".
Not booked
Free and not booked are semantically related. You can use "Free" instead an adjective phrase "Not booked".
Mutual synonyms
Cite this Source
Not booked and Free. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/free/not_booked
Free & Not booked. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/free/not_booked>.
Not booked or Free. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/free/not_booked.
Google Ngram Viewer shows how "free" and "not booked" have occurred on timeline