Off base
Without foundation and off base are semantically related. In some cases you can use "Without foundation" instead an adjective phrase "Off base".
Without foundation
Off base and without foundation are semantically related. Sometimes you can replace phrase "Off base" with "Without foundation", this phrases are similar.
Mutual synonyms
Cite this Source
Without foundation and Off base. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/off_base/without_foundation
Off base & Without foundation. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/off_base/without_foundation>.
Without foundation or Off base. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/off_base/without_foundation.
Google Ngram Viewer shows how "off base" and "without foundation" have occurred on timeline