英语词汇词典 | 单词含义、定义和示例
a short opera with light and humorous themes
"The theater staged a famous operetta by Gilbert and Sullivan."
to express an opinion or belief
"The professor opined that the policy would fail."
A belief, judgment, or viewpoint about something, not necessarily based on fact.
"Everyone is entitled to their own opinion."
A person who competes against or disagrees with another.
"The boxer defeated his opponent in the final round."
Happening at a suitable or convenient time.
"She arrived at an opportune moment to help."
The practice of taking advantage of opportunities regardless of principles or ethics.
"His decision was driven by opportunism, not values."
A person who takes advantage of situations for personal gain, often disregarding principles.
"He is seen as an opportunist who always puts his interests first."
A set of circumstances that makes it possible to do something.
"Investing in emerging markets provides new opportunities."
A favorable chance or set of circumstances that makes it possible to do something.
"She seized the opportunity to study abroad."
to disagree with or fight against something
"He opposed the new policy at the meeting."
being against or in disagreement with something
"She is strongly opposed to animal testing."
Completely different; on the other side or facing something.
"The two houses are on opposite sides of the street."
the action of opposing or resisting something
"The opposition to the new law was strong."
cruel or unjust treatment or exercise of authority; the state of being subject to harsh treatment
"The people fought against political oppression."
Harsh and authoritarian; overwhelming; causing distress; tyrannical;
"The oppressive heat made it difficult to work outside during the summer."
Expressing strong criticism or scorn.
"He made opprobrious remarks about his opponent."
Harsh criticism or public disgrace.
"The scandal brought opprobrium on the politician."
Relating to the eye or vision.
"The optic nerve carries signals from the eye to the brain."
related to or used in seeing or sight
"The optical illusion fooled everyone at the exhibition."
A person who makes or sells glasses and contact lenses.
"The optician adjusted my new glasses to fit better."
The branch of physics dealing with light and vision.
"She studied optics to understand how lenses work."
Best or most favorable; ideal.
"This diet plan provides the optimal balance of nutrients."
The best or most favorable temperature for a particular purpose
"Winter provides optimal temperature for farming."
In the most effective or efficient way possible.
"Tasks should be allocated optimally for maximum output."
Hopefulness and confidence about the future.
"Her optimism kept the team motivated during tough times."
hopeful and confident about the future
"She is optimistic about the success of her new project."
The action of making the best or most effective use of a situation or resource.
"The company focused on optimization of resources to maximize profits."
Make the best or most effective use of a situation, opportunity, or resource.
"They optimized the software for faster performance."
Made as effective, perfect, or functional as possible.
"Optimized irrigation techniques conserve water in farming."
The most favorable condition or level for growth, success, or productivity.
"This room temperature provides the optimum conditions for plant growth."
A choice or possibility available among alternatives.
"You have the option to pay by card or cash."
Not required; left to personal choice.
"The dress code for the party is optional."
A healthcare professional who examines eyes and prescribes corrective lenses.
"The optometrist prescribed new glasses for her."
The practice or profession of examining the eyes and prescribing corrective lenses.
"She studied optometry at the university to become an eye specialist."
Great wealth, luxury, or abundance.
"The palace displayed a level of opulence that amazed the visitors."
Ostentatiously rich, luxurious, or lavish.
"They hosted an opulent wedding with gold decorations."
A person or source considered to provide wise and insightful advice or prophecy.
"In ancient Greece, people visited the oracle at Delphi for guidance."
Resembling an oracle; giving wise, mysterious, or prophetic statements
"Her oracular words left the audience deep in thought."
a large arboreal ape with long reddish hair, long arms, and hooked hands and feet, native to Borneo and Sumatra
"The orangutan swings gracefully through the forest canopy."
a fruit that is typically round and orange in color
"She ate an orange for breakfast."
a freshwater fish species native to South Asian rivers, commonly found in Bangladesh and India
"The orangefin labeo is an important food fish in Bangladesh."
To speak in a formal, often pompous manner
"He began to orate at the ceremony."
A formal speech, especially one given on a ceremonial occasion
"The president delivered an inspiring oration."
