Definitions

from The Century Dictionary.

  • So tight or close as to be impermeable to air: as, an air-tight vessel.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective So tight as to be impermeable to air or other gases; ; -- said of containers.
  • adjective of such close construction as to have little leakage of air in or out; -- said of structures.
  • adjective so thoroughly convincing as to be insusceptible to doubt; having no apparent counterarguments; -- of arguments or assertions.
  • noun Colloq. U. S. A stove the draft of which can be almost entirely shut off.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Alternative form of airtight.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective not allowing air or gas to pass in or out
  • adjective having no weak points
  • adjective having no weak points
  • adjective not allowing air or gas to pass in or out

Etymologies

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