English Vocabulary Dictionary | Word Meanings, Definitions & Examples
CEFR Level
likely to change; not steady or secure; unsteady
"The unstable economy made people worried about their jobs."
not firm or stable; likely to change or fail
"She felt unsteady on her feet after the long journey."
not fitting or appropriate for a particular purpose or situation
"This formal dress is unsuitable for a casual beach party."
impossible to conceive or imagine; beyond belief or consideration
"It was unthinkable that such a tragedy could happen in our peaceful town."
to loosen or remove a knot or binding; to release something that is tied
"She untied the rope to free the boat."
to reveal or disclose something, especially in a formal manner
"The company will unveil a new product next week."
not wanted or accepted; not invited or pleasant
"The unwelcome news ruined their vacation plans."
not ready to do something; reluctant; not wanting to do
"He was unwilling to share his secret with anyone."
in a way that shows reluctance or lack of desire; not willingly
"She unwillingly agreed to attend the meeting."
Showing poor judgment; not sensible or prudent.
"It would be unwise to invest all your money in one company."
not deserving respect or attention; lacking worth or merit
"He felt unworthy of such praise and recognition."
The process or cost of maintaining something in good condition.
"The upkeep of the old house is very expensive."
difficult; requiring great effort; sloping upward
"Learning a new language can be an uphill battle."
to maintain or support a principle, law, or decision
"The judge promised to uphold justice at all costs."
positioned vertically; morally good and honest
"He remained upright despite the strong winds."
The process by which towns and cities are formed and become larger as more people begin living and working in central areas.
"Rapid urbanization has led to increased infrastructure development."
to strongly encourage or try to persuade someone to do something
"Doctors urge patients to exercise regularly."
The quality of requiring immediate attention or action.
"The doctor emphasized the urgency of starting treatment right away."
in a way that requires immediate attention or action
"The patient urgently needs medical attention."
The action of using something; the way in which a word or phrase is normally used.
"The book explains the proper usage of technical terms."
The state of being useful, profitable, or beneficial.
"The utility of smartphones in daily life is undeniable."
The action of making practical and effective use of something.
"The efficient utilization of resources is key to success."
to make practical or effective use of something
"The company aims to utilize solar energy for production."
Greatest or highest in degree, importance, or extent.
"She showed the utmost respect to her teachers."
To speak or pronounce words aloud.
"He could barely utter a word after the shocking news."
completely or absolutely
"She was utterly surprised by the news."