“Awful” means extremely bad or unpleasant; terrible.

“Dreadful” also means causing or involving great suffering, fear, or unhappiness; extremely bad or serious. Both words convey a strong sense of something being very bad, terrible, or causing negative feelings.

Similar Words: Terrible, Horrible, Dreadful, Atrocious, Appalling, Frightful, Abysmal, Ghastly.

“Frivolous” means not having any serious purpose or value; characterized by lack of seriousness or sense.

“Trifling” also means of little value or importance. Both words convey a sense of being light, insignificant, or lacking gravity and importance.

Similar Words: Silly, Giddy, Petty, Nonsensical, Superficial, Insignificant, Trivial, Lighthearted.

“Dexterous” means showing skill, especially with the hands or mind.
“Adept” also refers to possessing or demonstrating great ability, expertise, or proficiency in performing tasks efficiently. Hence, both words share the same meaning related to adeptness and precision.
Similar Words: Adroit, Deft, Nimble, Proficient, Clever, Expert, Skilled.

“Devious” means showing a skillful use of underhanded tactics to achieve goals or being deceitful and sneaky in behavior.
“Cunning” also refers to being clever in a deceitful or crafty way. Both words describe someone who uses trickery or indirect methods to get what they want.
Similar Words: Sly, Crafty, Wily, Underhanded, Shrewd, Scheming, Cunning.

“Opulent” means extremely rich, lavish, or exhibiting great wealth and abundance.
“Sybaritic” also means being fond of luxury and sensual pleasure; it describes a highly indulgent or opulent lifestyle.

Similar Words: Lavish, Sumptuous, Wealthy, Rich, Extravagant, Grand, Luxurious.

“Despondent” means feeling or showing extreme discouragement, sadness, or loss of hope.
“Disheartened” also means having lost confidence or enthusiasm, often due to disappointment or failure. Both words express a deep sense of hopelessness or depression.
Similar Words: Dejected, Downcast, Hopeless, Discouraged, Dispirited, Melancholy, Despairing.

“Desolate” means deserted, empty, or showing signs of loneliness and misery. It can describe both a physical place lacking life and a person feeling abandoned or sad.
“Lonely” conveys a similar sense of isolation and emptiness, often due to being alone or neglected. Both words emphasize a state of bleakness and abandonment.
Similar Words: Barren, Isolated, Forlorn, Dreary, Empty, Deserted, Lonely.

“Deride” means to express contempt for someone or something; to ridicule or make fun of them.
“Mock” also means to tease or laugh at someone in a scornful or disrespectful manner. Both words convey the idea of showing ridicule or making someone seem foolish.

Similar Words: Ridicule, Taunt, Jeer, Sneer, Scoff, Mock, Scorn.

“Deprecate” means to express strong disapproval of something or to criticize it severely.
“Demur” also means to raise doubts or objections or to show reluctance to do something. It often implies a hesitation or a disagreement, though not necessarily a flat-out refusal.

Similar Words: Disapprove, Demur, Denounce, Criticize, Censure, Condemn, Object, Oppose.

“Deleterious” means causing harm or damage, especially to health, well-being, or the environment.
“Detrimental” also refers to something that something that is harmful or injurious to a person, object, or situation.

Similar Words: Detrimental, Injurious, Damaging, Adverse, Hurtful, Noxious, Harmful.