英语词汇词典 | 单词含义、定义和示例
A small group of people having control of a country, organization, or institution.
"The nation was ruled by a wealthy oligarchy that controlled all resources."
a small oval fruit with a hard pit, typically green or black, used for eating or making oil
"Olive oil is considered one of the healthiest cooking oils available."
A small freshwater fish with olive-colored body and barbels
"The olive barb is commonly found in South Asian rivers."
A symbol of peace or reconciliation; an offer to end conflict.
"He extended an olive-branch to his rival after years of hostility."
related to the Olympic Games, a major international sporting event
"She trained hard to compete in the Olympic Games."
The world's largest international sports competition held every four years, bringing together athletes from different countries to compete in various sports.
"The Olympic Games bring together the world's top athletes."
an international sports competition held every four years with athletes from many countries
"The Olympics bring athletes from all over the world together."
a dish made from beaten eggs cooked in a frying pan and often folded around a filling
"She made a cheese omelet for breakfast."
an event regarded as a sign of future good or bad luck
"Many people consider a black cat crossing your path a bad omen."
Giving the impression that something bad or unpleasant is going to happen.
"Dark clouds gave an ominous sign of an approaching storm."
The act of leaving out or excluding something; something that has been left out.
"Her omission of important details caused confusion."
The quality of having unlimited power or authority.
"Many religions describe God’s omnipotence as absolute."
Having unlimited power; able to do anything.
"The CEO acted as if he were omnipotent in the company."
present everywhere at the same time
"In the digital age, social media feels omnipresent in our lives."
the state of knowing everything
"The novel's narrator has an air of omniscience, revealing every character's thoughts."
having complete or unlimited knowledge and awareness
"Some religions describe God as omniscient and all-powerful."
eating both plants and animals
"Humans are generally considered omnivorous creatures."
on one occasion only; at a time in the past
"She visited Paris once last year."
one part of something that is divided into three equal parts
"One-third of the class was absent today."
involving a great deal of effort, difficulty, or burden
"Fulfilling the contract proved to be an onerous task for the company."
continuing; still in progress
"The ongoing project will finish next month."
a round vegetable with a strong smell and flavor, usually used in cooking
"I chopped an onion to make the soup."
connected to or available through the internet
"I prefer shopping online rather than going to stores."
without others; solely
"He is the only person who knows the secret."
The formation of a word from a sound associated with what is named.
"The word 'buzz' is an example of onomatopoeia."
A sudden powerful forward or downward rush or flow.
"The onrush of water swept away the bridge."
The beginning of something, especially something unpleasant.
"The onset of winter brought cold winds and snow."
A fierce or destructive attack.
"The village faced an onslaught of enemy forces."
A duty or responsibility, especially a heavy one.
"The onus is on the government to provide relief to the victims."
a milky or pearly appearance of a surface like that of an opal
"The pearl had a gentle opalescence under the light."
showing or reflecting a milky, iridescent light like an opal
"The opalescent sky glowed with shades of pink and blue."
not transparent or translucent; difficult to see through or understand
"The windows were opaque with steam."
Generous; liberal; giving freely;
"He is very open-handed with his money and always helps those in need."
Kind and generous; sincere and honest; warmly receptive;
"She welcomed the strangers with an open-hearted smile and invited them for dinner."
an act or instance of beginning something
"The opening of the new store was a huge success."
in a way that is not secret or hidden
"He spoke openly about his past mistakes."
a dramatic performance in which the actors sing most of their lines
"We watched a beautiful opera at the theater last night."
to control the functioning of a machine, system, or business
"She learned how to operate the new machine."
to control or manage the functioning of something
"The company has been operating in this market for five years."
an act or process of functioning or operating
"The hospital performed a successful operation."
related to or engaged in the operation of something
"The team is ready for the operational phase of the project."
functioning, having effect, or relating to a secret agent or worker
"The new law is now operative across the country."
a person who operates equipment, a business, or controls something
"The machine operator ensured that everything ran smoothly."
