As a noun virga

is (music|uncountable) a type of note used in plainsong notation, having a tail.

As a proper noun cloud is

.

As a verb tend

is to kindle; ignite; set on fire; light; inflame; burn or tend can be (legal|old english law) to make a tender of; to offer or tender or tend can be (with to) to look after (eg an ill person).

As an adjective usual is

most commonly occurring.

As a verb prescribed

is past tense of prescribe.

As an adjective prescriptive is

of or pertaining to prescribing or enjoining, especially an action or behavior based on a norm or standard.

As a verb respond is

(intransitive) to say something in return; to answer; to reply.

As a noun respond is

a response.

As nouns the difference between deal and response

is that deal is (slang) a deal while response is (senseid)an answer or reply, or something in the nature of an answer or reply.

As adjectives the difference between malefic and maleficent

is that malefic is having an evil or harmful influence; baleful while maleficent is harmful or evil in intent or effect.

As adjectives the difference between medical and recreational

is that medical is medical while recreational is used for recreation, for fun or pleasure.

Irresponsable is often a misspelling of irresponsive.

Irresponsable has no English definition.

As an adjective irresponsive

is that does not respond to stimuli.

In transitive terms the difference between boss and couch

is that boss is to exercise authoritative control over; to lord over; to boss around; to tell (someone) what to do, often repeatedly while couch is to lay or deposit in a bed or layer; to bed.

As an adjective boss

is of excellent quality, first-rate.

As a noun chofer

is chauffeur, driver.

As a proper noun driver is

.