airtight
1. [ adjective ] having no weak points
Examples:

"an airtight defense" "an airtight argument"

Related terms: invulnerable
2. [ adjective ] having no weak points
Synonyms: air-tight
Examples:

"an airtight defense" "an airtight argument"

Related terms: invulnerable
3. [ adjective ] not allowing air or gas to pass in or out
Synonyms: gas-tight air-tight
Related terms: tight
4. [ adjective ] not allowing air or gas to pass in or out
Related terms: tight
Similar spelling:   air-tight