Solemn in a sentence as an adjective

Don't you know it's your solemn duty to brainwash yourself so that others can get paid?

But if it were near-universal practice for new software engineers to swear a solemn oath not to use their powers for evil, who knows?

It's a sad day for aviation – the first fatalites of the 777's spotless record – and a much, much more solemn one for everyone onboard.

Oh absolutely, and I try to be as solemn as possible about it:"I used to be a web developer during the Browser Wars, man ...

The public mind seems impressed with the difficulties of English orthography, and there is a solemn conviction that the chief end of man is to learn to spell.

Each employee takes a solemn oath to support and \n defend the Constitution of the United States against all enemies, \n foreign and domestic.

But solemnity, it serves pomposity and the self-\n important always know, at some level of their consciousness, that their egotism\n is going to be punctured by humor.

"If a politician won't keep probably the most solemn vow they've ever made, to the person they were most committed to in their life"Not to stray from the point of the article, but the politician analogy is very appropriate.

Reading Plato's dialogue "Phaedrus" gives an answer near the end: Socrates apparently believed "that writing is unfortunately like painting; for the creations of the painter have the attitude of life, and yet if you ask them a question they preserve a solemn silence.

Solemn definitions

adjective

dignified and somber in manner or character and committed to keeping promises; "a grave God-fearing man"; "a quiet sedate nature"; "as sober as a judge"; "a solemn promise"; "the judge was solemn as he pronounced sentence"

See also: grave sedate sober

adjective

characterized by a firm and humorless belief in the validity of your opinions; "both sides were deeply in earnest, even passionate"; "an entirely sincere and cruel tyrant"; "a film with a solemn social message"

See also: earnest sincere