The adjective reverent means someone that shows great respect for a person or thing.

Synonyms are appreciative, deferential, gracious, or polite.

The word origins from Old French reverent and directly from Latin reverentem, present participle of revereri meaning “to fear”. The sense of “reverend” was common from the 14th century through the 17th century.

He is proud that he is reverent in religion.

She walked straight to the aisle, pausing a reverent moment at the altar.

We must stay reverent while touring the ancient temple.

The adjective somber means an appearance or feeling of being sad or serious.

Synonyms are depressing, dark, gloomy, or melancholy.

The word origins from French (1730) sombre meaning “dark, gloomy”, and Old French (14th century) sombre (also sources from Late Latin subumbrare meaning “to shadow”). It comes from sub meaning “under” plus umbra meaning “shade, shadow“.

Mary’s mood remained somber throughout the ceremony.

She knew right then that something’s wrong when she met his somber gaze.

The somber note in his voice made everyone worried.

The adjective verbose means using or expressing things in more words than necessary.

Synonyms are garrulous, circuitous, wordy, or diffuse.

The word origins from Latin verbosus meaning “full of words, wordy” and verbum meaning “word”. Its first recorded use was in circa 1531.

She tends to express her feelings in a verbose way.

Carl is often teased by his co-workers because of his verbose comments.

The last thing the professor wanted was to read verbose essays. He warned his students that they should be concise and direct to the point as possible.

The adjective mundane means something very ordinary and not at all interesting or unusual.

Synonyms are banal, day-to-day, normal, or routine.

The word origins from Old French (mid-15th century) mondain meanin “of this world, worldly, earthly, secular”, also “pure, clean, noble, generous” and directly from Late Latin mundanus meaning “belonging to the world” (as distinct from the Church). It also origins from classical Latin “a citizen of the world, cosmopolite”, from mundus meaning “universe, world”, which is identical to mundus meaning “clean, elegant”, but the exact connection is uncertain and the etymology is unknown.

She’s willing to do even the most mundane tasks.

That’s a perfect example of the mundane realities of life.

There’s little glory in mundane tasks but they’re of utmost importance when you always do them with love.

The noun frugality means the quality of being economical with money or food, and avoiding waste, lavishness or extravagance.

Synonyms are thriftiness, economizing, moderation, or prudence.

The word origins from Middle French frugalité (1530), meaning “economy, thriftiness”, and Latin frugalitatem. Over time the sense of the word in Latin developed from useful,profitable to economical. 

Their frugality and temperance in living standard and how they handle payment of debt is remarkable.

We must practise the strictest frugality and economy to survive this crisis.

 Their frugality and temperance in food and drink are remarkable.

The adjective fallacious describes something that involves a fallacy or tends to deceive or mislead.

Synonyms are delusive, fictitious, fraudulent, or unreasonable.

The word origins from the Latin word fallāciōsus meaning “deceitful or deceptive” and from the Old French fallacieux. Its first recorded use was during the 15th century.

Everything he said in court was fallacious.

I don’t understand why he always says fallacious and unreasonable things, I mean it doesn’t hurt to be honest for once, right?

Fallacious testimonies can be easily defeated by strong evidences.

The verb undermine is to weaken, subvert, or make something less strong by attacking or removing its supporting materials or foundation.

Synonyms are cripple, sabotage, enfeeble, or compromise.

The word origins from the 1300s undermyne meaning “render unstable by digging at the foundation”, from under + mine. The figurative sense “injure by invisible, secret, or dishonourable means” is attested from the early 15th century.

It was designed to help with the country’s undermining economic position.

The continuous heavy rain has undermined the soil, causing a serious landslide.

This fact alone could undermine his years of hard work, so he better fix himself.