AIRTIGHT Synonyms

• established irrevocably

• closed or secured with or as if with a seal

• undisclosed for the time being

• determined irrevocably

• apply a non-porous coating to something so as to ensure it is impervious

• covered with a waterproof coating

• (of walls) covered with a coat of plaster

• free from fear or doubt; easy in mind

• free from danger or risk

• not likely to fail or give way

• immune to attack; incapable of being tampered with

• financially safe

• get by special effort

• cause to be firmly attached

• assure payment of

• make certain of

• fill or close tightly with or as if with a plug

• furnish with battens

• impervious to, or not penetrable by, sound

• insulate against noise

• closely constrained or constricted or constricting

• of such close construction as to be impermeable

• firmly or closely

• in an attentive manner

• pulled or drawn tight

• set so close together as to be invulnerable to penetration

• pressed tightly together

• (used of persons or behavior) characterized by or indicative of lack of generosity

• affected by scarcity and expensive to borrow

• of textiles

• securely or solidly fixed in place; rigid

• (of a contest or contestants) evenly matched

• very drunk

• exasperatingly difficult to handle or circumvent

• demanding strict attention to rules and procedures

• packed closely together

• not allowing water to pass in or out

• without flaws or loopholes

• having no weak points

• not allowing air or gas to pass in or out

• not allowing air or gas to pass in or out