NONPOROUS Synonyms

• completely sealed; completely airtight

• not admitting of penetration or passage into or through

• permitting little if any light to pass through because of denseness of matter

• impossible to understand

• not perforated; having no opening

• preventing especially liquids to pass or diffuse through

• not admitting of passage or capable of being affected

• immune to attack; incapable of being tampered with

• capable of conceiving

• incapable of being overcome, challenged or refuted

• 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

• 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

• hindering the penetration of water

• any fabric impervious to water

• a water-resistant coat

• not permitting the passage of water

• make watertight

• not allowing water to pass in or out

• without flaws or loopholes