bitterness

As a noun bitterness

is the quality of having a bitter taste.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between guile and bitterness

is that guile is (uncountable) astuteness often marked by a certain sense of cunning or artful deception while bitterness is the quality of having a bitter taste.

As a verb guile

is to deceive, to beguile.

As a noun bitterness

is the quality of having a bitter taste.

As an adverb indignantly is

in an indignant manner.

As an adjective brokenhearted

is grieved and disappointed, especially with the loss or repudiation of a romantic relationship.

As a noun bitterness is

the quality of having a bitter taste.

As a noun bitterness

is the quality of having a bitter taste.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between bitterness and sadness

is that bitterness is the quality of having a bitter taste while sadness is the state or emotion of being sad.

Bitterness is a related term of maliciousness.

As nouns the difference between bitterness and maliciousness

is that bitterness is the quality of having a bitter taste while maliciousness is the condition of being malicious; malevolence or malice.

As nouns the difference between unforgiveness and bitterness

is that unforgiveness is lack of forgiveness while bitterness is the quality of having a bitter taste.

Bitterness is a related term of virulence.

As nouns the difference between bitterness and virulence

is that bitterness is the quality of having a bitter taste while virulence is the state of being virulent.

As nouns the difference between bitterness and harshness

is that bitterness is the quality of having a bitter taste while harshness is the quality of being harsh.