Synonyms

Downcast is a synonym of blue.

As an adjective downcast

is (of eyes) looking downwards.

As a noun downcast

is (computing) a cast from supertype to subtype.

As a verb downcast

is (obsolete) to cast or throw up; to turn upward.

As a proper noun blue is

an anglicization of (etyl) blau.

As adjectives the difference between amorphous and indeterminate

is that amorphous is lacking a definite form or clear shape while indeterminate is not accurately determined or determinable.

Placid is a synonym of undemonstrative.

As adjectives the difference between placid and undemonstrative

is that placid is serene; calm while undemonstrative is not given to showing emotion or feelings; reserved or distant.

In transitive terms the difference between noise and barrage

is that noise is to spread news of; to spread as rumor or gossip while barrage is to direct a barrage at; to bombard.

As nouns the difference between noise and barrage

is that noise is various sounds, usually unwanted while barrage is an artificial obstruction, such as a dam, in a river designed to increase its depth or to divert its flow.

As verbs the difference between noise and barrage

is that noise is to make a noise; to sound while barrage is to direct a barrage at; to bombard.

Foul is a synonym of choked.

As a noun foul

is foul (a breach of the rules of a game).

As a verb choked is

(choke).

As nouns the difference between literature and books

is that literature is the body of all written works while books is plural of lang=en.

As a verb books is

third-person singular of book.

Plaudit is a synonym of compliment.

As nouns the difference between plaudit and compliment

is that plaudit is (often used in plural) a mark or expression of applause; praise bestowed while compliment is an expression of praise, congratulation, encouragement, or respect.

As a verb compliment is

(ambitransitive) to pay a compliment (to); to express a favorable opinion (of).

Nice is a synonym of gracious.

As a proper noun nice

is a city in southeast france on the coast of the mediterranean sea, capital of the department of alpes-maritimes.

As an adjective gracious is

kind and warmly courteous.

As an interjection gracious is

expression of surprise, contempt, outrage, disgust, boredom, frustration.

Affair is a synonym of operation.

As nouns the difference between affair and operation

is that affair is that which is done or is to be done; matter; concern; business of any kind, commercial, professional, or public; — often in the plural while operation is operation (method by which a device performs its function).

As verbs the difference between dirty and befouled

is that dirty is to make (something) dirty while befouled is past tense of befoul.

As an adjective dirty

is unclean; covered with or containing unpleasant substances such as dirt or grime.

As an adverb dirty

is in a dirty manner.