Oblique
Meaning: slanting
Sentence: Her oblique handwriting was difficult to read.
Synonyms:
Antonyms:
Oasis
Meaning: a fertile place in a desert, with a spring or well of water
Sentence: The oasis in the desert had many date trees.
Synonyms:
Antonyms:
Obliterate
Meaning: to blot out; destroy and remove all traces of something
Sentence: She tried to obliterate the memories of her childhood.
Synonyms:
Antonyms:
Oath
Meaning: a solemn promise
Sentence: He swore an oath in a law court to tell the truth.
Synonyms:
Antonyms:
Obnoxious
Meaning: very unpleasant
Sentence: Her obnoxious behaviour put everyone off.
Synonyms:
Antonyms:
Obedience
Meaning: following orders
Sentence: Teachers expect obedience from students.
Synonyms:
Antonyms:
Observant
Meaning: quick to notice things
Sentence: He is quite an observant young man.
Synonyms:
Antonyms:
Obedient
Meaning: doing what you are told
Sentence: Mehr is a very obedient child who always listens to her mother.
Synonyms:
Antonyms:
Observation
Meaning: observing or watching
Sentence: My research involves the observation of monkeys in their natural habitat.
Synonyms:
Antonyms:
Obese
Meaning: excessively
Sentence: The obese man was at risk of heart disease.
Synonyms:
Antonyms:
Observe
Meaning: to see and notice
Sentence: I will observe the monkeys in their natural habitat.
Synonyms:
Antonyms:
Objectionable
Meaning: unpleasant or nasty
Sentence: Teachers took offence to his objectionable behaviour.
Synonyms:
Antonyms:
Obsolete
Meaning: not used any more
Sentence: Obsolete locomotives cause air pollution.
Synonyms:
Antonyms:
Obligation
Meaning: a duty
Sentence: It is an obligation to look after your guests.
Synonyms:
Antonyms:
Obstacle
Meaning: something that stands in the way or hampers progress
Sentence: The horse jumped over the obstacle with ease.
Synonyms:
Antonyms:
Obstruct
Meaning: to stop a person or thing from getting past
Sentence: The landslide will obstruct traffic.
Synonyms:
Antonyms:
Octagonal
Meaning: a flat shape with eight sides and eight angles
Sentence: The new swimming pool is of an octagonal shape.
Synonyms:
Antonyms:
Obvious
Meaning: easy to see or understand
Sentence: The obvious answers fooled the students.
Synonyms:
Antonyms:
Occasion
Meaning: a special event
Sentence: Her graduation was an occasion to celebrate.
Synonyms:
Antonyms:
Octopus
Meaning: a sea creature with eight long tentacles
Sentence: The octopus is used in Greek cuisine.
Synonyms:
Antonyms:
Occasional
Meaning: happening from time to time but not regularly
Sentence: Ali makes occasional visits to the museum.
Synonyms:
Antonyms:
Occultation
Meaning: temporary disappearance of a celestial body as it moves behind another body
Sentence: An occultation occurs when an apparently larger body passes in front of an apparently smaller one.
Synonyms:
Antonyms:
Oedema
Meaning: a condition in which the liquid collects in the spaces inside the body and makes it swell
Sentence: Severe cases of oedema may require surgery.
Synonyms:
Antonyms:
Occupation
Meaning: a persons job or profession
Sentence: Ali?s occupation is dentistry.
Synonyms:
Antonyms:
Offence
Meaning: an illegal action; a feeling of annoyance or resentment
Sentence: He was not aware that he had committed an offence.
Synonyms:
Antonyms:
Occupational
Meaning: associated with one's job
Sentence: Exposure to infections is an occupational risk for doctors.
Synonyms:
Antonyms:
Ointment
Meaning: a cream or paste for putting on sore skin and cuts
Sentence: I have applied an ointment to the cut on my finger.
Synonyms:
Antonyms:
Okra
Meaning: a plant that bears a vegetable called ladyfinger
Sentence: Okra is grown in warm climate.
Synonyms:
Antonyms:
Olfaction
Meaning: the sense of smell
Sentence: Insects primarily use their antennae for olfaction.
Synonyms:
Antonyms:
Olivine
Meaning: a hard olive green, grey green or brown mineral
Sentence: Olivine is sometimes used in making bricks.
Synonyms:
Antonyms:
Opportunist
Meaning: a person who is quick to seize opportunities
Sentence: The businessman was a true opportunist.
Synonyms:
Antonyms:
Omelette
Meaning: eggs beaten together and cooked in a pan, often with a filling
Sentence: I like to eat an omelette for breakfast.
Synonyms:
Antonyms:
Opportunity
Meaning: a good chance
Sentence: The scholarship gave me an opportunity to study abroad.
Synonyms:
Antonyms:
Omnivorous
Meaning: eating all types of food, especially both plants and meat
Sentence: Man is an omnivorous mammal.
Synonyms:
Antonyms:
Oppose
Meaning: to argue or fight against
Sentence: I oppose the use of child labour.
Synonyms:
Antonyms:
Onion
Meaning: a round vegetable with a strong flavour
Sentence: Chop the onion finely.
Synonyms:
Antonyms:
Opposition
Meaning: resistance
Sentence: The invading army met with a lot of opposition.
Synonyms:
Antonyms:
Opaque
Meaning: not transparent
Sentence: She tried but could not see anything through the opaque glass.
Synonyms:
Antonyms:
Optimist
Meaning: a person who expects that things will turn out well
Sentence: An optimist looks at the bright side of life.
Synonyms:
Antonyms:
Opera
Meaning: a drama set to music, with singers acting the story
Sentence: I was very happy when we got tickets for the opera.
Synonyms:
Antonyms:
Option
Meaning: choice
Sentence: I have the option of wearing black or white trousers.
Synonyms:
Antonyms:
Operate
Meaning: to make a machine work
Sentence: She learnt how to operate the computer.
Synonyms:
Antonyms:
Orchard
Meaning: an area planted with fruit trees
Sentence: She had an orchard behind her house.
Synonyms:
Antonyms:
Orchid
Meaning: a kind of plant with brightly-coloured, often unevenly shaped, flowers
Sentence: The gardener planted the orchid.
Synonyms:
Antonyms:
Overweight
Meaning: too heavy
Sentence: He was made to pay for his overweight baggage.
Synonyms:
Antonyms:
Organisation
Meaning: an organised group of people, such as a business, charity
Sentence: She works for a voluntary organisation which helps homeless people.
Synonyms:
Antonyms:
Overwhelm
Meaning: to overcome completely
Sentence: We do not want to overwhelm you with requests for information.
Synonyms:
Antonyms:
Oriental
Meaning: to do with the countries east of the Mediterranean
Sentence: Sea, especially China and Japan This restaurant serves oriental food.
Synonyms:
Antonyms:
Oxygen
Meaning: a colourless, odourless, tasteless gas that exists in the air and is essential for living things
Sentence: He was given oxygen to help him breathe.
Synonyms:
Antonyms:
Originate
Meaning: to happen or appear for the first time
Sentence: The rumour did not originate from him.
Synonyms:
Antonyms:
Oyster
Meaning: a kind of shellfish whose shell sometimes contains a pearl
Sentence: She works in an oyster farm.
Synonyms:
Antonyms:
Oscillate
Meaning: to move to and fro like a pendulum
Sentence: Radio waves oscillate.
Synonyms:
Antonyms:
Ostentatious
Meaning: Her ostentatious clothes were always admired by her friends
Sentence:
Synonyms:
Antonyms:
Outstanding
Meaning: extremely good or distinguished
Sentence: His outstanding work in human relations was highly admired.
Synonyms:
Antonyms:
Overbearing
Meaning: domineering
Sentence: His overbearing attitude was disliked by all.
Synonyms:
Antonyms:
Omnipresence
Meaning: the fact of being present or having an effect everywhere at the same time
Sentence: The world has grown accustomed to the omnipresence of global brands.
Synonyms: existence, being, companionship, company, habitation
Antonyms: absence, agitation, confusion, distance, distress, reality, upset
OBDURATE
Meaning: stubbornly refusing to change one's opinion or course of action.
Sentence:
Synonyms:
Antonyms:
OBLIVION
Meaning: the state of being unaware or unconscious of what is happening around one.
Sentence:
Synonyms:
Antonyms:
OBSEQUIOUS
Meaning: obedient or attentive to an excessive or servile degree.
Sentence:
Synonyms:
Antonyms:
OFFICIOUS
Meaning: assertive of authority in a domineering way, especially with regard to trivial matters.
Sentence:
Synonyms:
Antonyms:
ONEROUS
Meaning: (of a task or responsibility) involving a great deal of effort, trouble, or difficulty.
Sentence:
Synonyms:
Antonyms:
ORTHODOX
Meaning: following or conforming to the traditional or generally accepted rules or beliefs of a religion, philosophy, or practice.
Sentence:
Synonyms:
Antonyms:
OSTENSIBLE
Meaning: stated or appearing to be true, but not necessarily so.
Sentence:
Synonyms:
Antonyms:
