Airtight
Airtight adjective - Not allowing air or gas to pass in or out.
Leakproof
Leakproof adjective - Unable to be penetrated by water because of construction or treated material.
Show all Definitions
Synonyms for Leakproof
Mutual synonyms
Related pairs
- snug and airtight
- snug and leakproof
- tight and airtight
- tight and leakproof
- proof and airtight
- proof and leakproof
- impenetrable and airtight
- impenetrable and leakproof
- impervious and airtight
- impervious and leakproof
- impermeable and airtight
- impermeable and leakproof
- hermetic and airtight
- hermetic and leakproof
Cite this Source
Leakproof and Airtight. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/airtight/leakproof
Airtight & Leakproof. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/airtight/leakproof>.
Leakproof or Airtight. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/airtight/leakproof.
Google Ngram Viewer shows how "airtight" and "leakproof" have occurred on timeline