cruel

As adjectives the difference between curious and cruel

is that curious is (lb) fastidious, particular; demanding a high standard of excellence, difficult to satisfy while cruel is not nice; mean; heartless.

As a verb cruel is

to spoil or ruin (one's chance of success).

As a noun rigidity

is the quality or state of being rigid; want of pliability; the quality of resisting change of form; the amount of resistance with which a body opposes change of form.

As an adjective cruel is

not nice; mean; heartless.

As a verb cruel is

to spoil or ruin (one's chance of success).

As adjectives the difference between cruel and unfortunate

is that cruel is not nice; mean; heartless while unfortunate is not favored by fortune.

As a verb cruel

is to spoil or ruin (one's chance of success).

As a noun unfortunate is

an unlucky person.

As adjectives the difference between valuable and cruel

is that valuable is having a great value while cruel is not nice; mean; heartless.

As a noun valuable

is a personal possession such as jewellery, of relatively great monetary value; — usually used in plural form.

As a verb cruel is

to spoil or ruin (one's chance of success).

As adjectives the difference between cruel and false

is that cruel is not nice; mean; heartless while false is (label) one of two states of a boolean variable; logic.

As a verb cruel

is to spoil or ruin (one's chance of success).

As adjectives the difference between cruel and undefined

is that cruel is not nice; mean; heartless while undefined is lacking a definition or value.

As a verb cruel

is to spoil or ruin (one's chance of success).

Cruel is a synonym of spiteful.

As adjectives the difference between spiteful and cruel

is that spiteful is filled with, or showing, spite; having a desire to vex, annoy, or injure; malignant; malicious while cruel is not nice; mean; heartless.

As a verb cruel is

to spoil or ruin (one's chance of success.

As adjectives the difference between rancorous and cruel

is that rancorous is full of rancor; bitter; unforgiving while cruel is not nice; mean; heartless.

As a verb cruel is

to spoil or ruin (one's chance of success.

As an adjective cruel

is not nice; mean; heartless.

As a verb cruel

is to spoil or ruin (one's chance of success).

As a noun opposer is

one who opposes, one who shows opposition.

As verbs the difference between cruel and oppress

is that cruel is to spoil or ruin (one's chance of success) while oppress is (obsolete) physically to press down on (someone) with harmful effects; to smother, crush.

As an adjective cruel

is not nice; mean; heartless.