英単語辞書 | 単語の意味、定義、例文
stiff, unbending, or strictly inflexible
"The teacher had a rigid set of rules for the class."
inability to bend or be forced out of shape; unwillingness to change or compromise
"The rigidity of the old system prevented any innovation."
in a strict, inflexible manner; without compromise
"The rules are rigidly enforced in this institution."
a long, complicated, and confusing process or story
"Getting a visa was such a rigmarole of paperwork and interviews."
strictness, severity, or demanding conditions
"The training was carried out with great rigor."
extremely thorough, strict, or demanding
"He followed a rigorous fitness program."
frost formed on cold surfaces by freezing water vapor
"The trees were covered with a white rime after the cold night."
a small circular band, typically worn on the finger as jewelry or a symbol
"She received a beautiful engagement ring."
a violent disturbance by a crowd
"The protest turned into a violent riot."
Relating to or situated on the banks of a river or other watercourse.
"Riparian vegetation helps prevent soil erosion along rivers."
fully developed and ready to eat; mature; ready for action or use
"The bananas are ripe and ready to eat."
to become or make something ready to eat or fully developed
"The bananas ripened quickly in the warm weather."
a quick and clever reply to criticism or an insult
"Her sharp riposte left everyone in silence."
to form or cause small waves on the surface of water or spread through like waves
"The wind rippled the surface of the pond."
a small or tiny ripple
"Tiny ripplets appeared on the lake as the fish moved."
so absurd or ridiculous that it deserves to be laughed at
"The idea of flying pigs is completely risible."
the possibility of harm, loss, or danger
"There is a risk of rain this afternoon."
Something that increases the likelihood of developing a disease or condition
"Water pollution is a significant risk factor for health."
Modified or calibrated to account for risk factors in investment returns.
"Risk-adjusted returns consider both potential profit and loss."
a religious or ceremonial act
"The wedding rite was performed with great solemnity."
a set of fixed actions and sometimes words performed regularly, especially as part of a ceremony or religion
"Morning coffee has become a daily ritual for him."
a person or thing competing with another for the same goal or superiority in the same field
"The two companies are fierce rivals in the smartphone market."
competition for the same objective or for superiority in the same field; the state of being rivals
"The rivalry between the two teams made the match exciting."
to tear apart violently
"The earthquake rived the ground in several places."
to fasten or secure with a rivet; to hold someone’s attention firmly
"The craftsman riveted the metal plates together."
extremely interesting; holding the complete attention
"The movie was so riveting that nobody looked away."
a small stream of water; a tiny brook
"A rivulet ran down the hillside after the rain."
a wide way leading from one place to another
"We drove along the road to the village."
to walk or travel without a specific destination; to wander
"Wild animals roam freely in the forest."
denoting an animal, especially a horse, having a coat of mixed colors, typically reddish-brown and white
"The rider mounted a roan horse with a speckled coat."
Meat cooked by dry heat in an oven or over an open fire
"The Sunday roast was perfectly cooked and very tender."
meat cooked by dry heat in an oven or over fire
"The roasted meat was perfectly seasoned and tender."
a person who steals property from others, often using force or threat
"The robber was caught after a quick police chase."
the crime of stealing from someone or somewhere using force or threat
"The police are investigating the robbery at the local store."
a machine capable of carrying out a complex series of actions automatically
"The factory uses robots to assemble cars efficiently."
Medical operations performed with the help of robotic systems to enhance precision and control.
"Robot-assisted procedures reduce human error."
Surgery performed with the assistance of robotic systems to enhance precision and reduce invasiveness.
"Robotic surgery enhances precision in complex procedures."
strong and healthy; able to withstand or overcome adverse conditions
"The company needs a robust strategy to survive in tough markets."
a large, solid piece of mineral matter
"The mountain was made of solid rock."
natural salt crystals formed from evaporated ancient seas; unrefined salt
"Rock salt is considered healthier than table salt."
a missile or vehicle propelled by a rocket engine; to increase or move very quickly
"The company’s profits rocketed after the new product launch."
full of rocks; unsteady; difficult
"The rocky path made hiking difficult for the tourists."
characterized by ornate detail and elaborate decoration, especially in art, architecture, and design
"The palace was decorated in a lavish rococo style."
