As a verb perform

is to do something; to execute.

As an adjective unperformable is

not performable; that cannot be performed.

As nouns the difference between extreme and ballotechnic

is that extreme is while ballotechnic is (chemistry) a material of this kind.

As an adjective ballotechnic is

(chemistry) that undergoes a chemical reaction when quickly subjected to extreme pressure.

As adjectives the difference between pressure and ballotechnic

is that pressure is squeezed while ballotechnic is (chemistry) that undergoes a chemical reaction when quickly subjected to extreme pressure.

As a verb pressure

is .

As a noun ballotechnic is

(chemistry) a material of this kind.

As adjectives the difference between material and ballotechnic

is that material is having to do with matter; consisting of matter while ballotechnic is that undergoes a chemical reaction when quickly subjected to extreme pressure.

As nouns the difference between material and ballotechnic

is that material is (matter)Matter which may be shaped or manipulated, particularly in making something while ballotechnic is a material of this kind.

As a verb material

is to form from matter; to materialize.

As an adjective enjoyable

is pleasant, capable of giving pleasure.

As a noun enjoyability is

the state or condition of being enjoyable.

As an adjective knuckleheaded

is stupid or inept, like a knucklehead.

As a noun knuckleheadedness is

the state or condition of being knuckleheaded; foolishness or ineptitude.

As nouns the difference between foolishness and knuckleheadedness

is that foolishness is (uncountable) the state of being foolish while knuckleheadedness is the state or condition of being knuckleheaded; foolishness or ineptitude.

As nouns the difference between ineptitude and knuckleheadedness

is that ineptitude is the quality of being inept while knuckleheadedness is the state or condition of being knuckleheaded; foolishness or ineptitude.

As nouns the difference between drug and trihexyphenidyl

is that drug is (pharmacology) a substance used to treat an illness, relieve a symptom, or modify a chemical process in the body for a specific purpose or drug can be (obsolete) a drudge while trihexyphenidyl is an antiparkinsonian drug of the antimuscarinic class.

As a verb drug

is to administer intoxicating drugs to, generally without the recipient's knowledge or consent or drug can be (drag).

As nouns the difference between antimuscarinic and trihexyphenidyl

is that antimuscarinic is an antimuscarinic drug while trihexyphenidyl is an antiparkinsonian drug of the antimuscarinic class.

As an adjective antimuscarinic

is that disrupts the action of muscarine on the nervous system.