severe

Sour is a related term of severe.

As adjectives the difference between sour and severe

is that sour is having an acidic, sharp or tangy taste while severe is severe, harsh.

As a noun sour

is the sensation of a sour taste.

As a verb sour

is (label) to make sour.

Deplorable is a related term of severe.

As adjectives the difference between deplorable and severe

is that deplorable is lamentable, regrettable while severe is severe, harsh.

Impertinent is a related term of severe.

As adjectives the difference between impertinent and severe

is that impertinent is insolent, ill-mannered while severe is severe, harsh.

As a noun impertinent

is an impertinent individual.

As adjectives the difference between tart and severe

is that tart is sharp to the taste; acid; sour while severe is very bad or intense.

As a noun tart

is a type of small open pie, or piece of pastry, containing jelly or conserve; a sort of fruit pie.

As a verb tart

is to practice prostitution.

Unpliant is a related term of severe.

As adjectives the difference between unpliant and severe

is that unpliant is not pliant while severe is severe, harsh.

As adjectives the difference between flinty and severe

is that flinty is resembling or containing flint while severe is very bad or intense.

Severe is a related term of boisterous.

As adjectives the difference between severe and boisterous

is that severe is severe, harsh while boisterous is full of energy; exuberant; noisy.

Severe is a related term of surly.

As adjectives the difference between severe and surly

is that severe is severe, harsh while surly is (obsolete) lordly, arrogant, supercilious.

As an adverb surly is

(obsolete) in an arrogant or supercilious manner.

Severe is a related term of acrimonious.

As adjectives the difference between severe and acrimonious

is that severe is severe, harsh while acrimonious is angry, acid, and sharp in delivering argumentative replies: bitter; mean-spirited; sharp in language or tone.

As adjectives the difference between severe and substantial

is that severe is very bad or intense while substantial is having to substance; actually existing; real; as, substantial life.

As a noun substantial is

anything having substance; an essential part.