tankless

As an adjective tankless

is without a tank (used especially of water heaters).

As a noun heater is

a device that produces and radiates heat, typically to raise the temperature of a room or building.

As adjectives the difference between rankless and tankless

is that rankless is devoid of rank while tankless is without a tank .

As adjectives the difference between tankless and wankless

is that tankless is without a tank while wankless is without masturbation.

As adjectives the difference between tankless and talkless

is that tankless is without a tank (used especially of water heaters) while talkless is without talk.

As adjectives the difference between tankless and tackless

is that tankless is without a tank (used especially of water heaters) while tackless is without tacks.

As adjectives the difference between thankless and tankless

is that thankless is (of a task) not appreciated or rewarded while tankless is without a tank (used especially of water heaters).

As adjectives the difference between bankless and tankless

is that bankless is without a bank while tankless is without a tank (used especially of water heaters).

As a noun tank

is a closed container for liquids or gases.

As a verb tank

is to fail or fall (often used in describing the economy or the stock market); to degenerate or decline rapidly; to plummet.

As an adjective tankless is

without a tank .