词汇表

英语词汇词典 | 单词含义、定义和示例

Oaf definition card — visual illustration of the meaning
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Oaf

noun C2
/oʊf/

a clumsy, stupid, or awkward person

"He acted like an oaf at the dinner party, spilling drinks everywhere."

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oaken

adjective C2
/ˈoʊ.kən/

made of or resembling oak wood

"The villagers gathered around the oaken table in the hall."

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oakum

noun C2
/ˈoʊ.kəm/

loose fibers obtained by untwisting old ropes, used for caulking ships

"The shipbuilders used oakum to seal the gaps in the wooden planks."

Oarsman definition card — visual illustration of the meaning
noun C2
/ˈɔːrzmən/

a person who rows a boat, especially as a member of a racing crew

"The experienced oarsman rowed the boat across the river."

obdurate definition card — visual illustration of the meaning
adjective C2
/ˈɑːbdjʊrət/

Stubbornly refusing to change one's opinion or course of action.

"He remained obdurate despite everyone's pleas."

noun C2
/oʊˈbeɪsəns/

A gesture of respect such as a bow or curtsy.

"They bowed in obeisance to the king."

noun C2
/ˈɑːbəlɪsk/

A tall, four-sided, narrow tapering monument with a pyramid-shaped top.

"The ancient Egyptians built obelisks to honor their gods."

obfuscate definition card — visual illustration of the meaning
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obfuscate

verb C2
/ˈɒbfʌskeɪt/

To deliberately make something unclear or difficult to understand.

"The politician tried to obfuscate the truth with vague statements."

obfuscation definition card — visual illustration of the meaning
noun C2
/ˌɒb.fʌsˈkeɪ.ʃən/

Deliberately making information or code unclear to make it difficult to understand

"Code obfuscation is used to protect software from hackers."

verb C2
/ˈɑːbdʒərˌɡeɪt/

to scold or rebuke severely

"The teacher objurgated the student for being dishonest."

noun C2
/ˌɑːbdʒərˈɡeɪʃən/

a harsh scolding or strong rebuke

"His misconduct earned him a severe objurgation from the manager."

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oblation

noun C2
/oʊˈbleɪʃən/

a religious offering, especially of bread or wine to God

"The priest placed the oblation on the altar during the ceremony."

obligate definition card — visual illustration of the meaning
verb C2
/ˈɑːblɪˌɡeɪt/

to bind legally or morally; to compel someone to do something

"The contract obligates the company to provide timely service."

noun C2
/əˈblɪkwɪti/

Deviation from moral or usual conduct; indirectness or lack of straightforwardness.

"The politician was criticized for the obliquity of his answers."

Obloquy definition card — visual illustration of the meaning
noun C2
/ˈɒbləkwɪ/

Strong public criticism or verbal abuse; disgrace or shame from public condemnation.

"The politician faced obloquy after the scandal was exposed."

noun C2
/ˈɒbsɪkwiːz/

Funeral rites or ceremonies.

"The obsequies for the late leader drew thousands of mourners."

obsequious definition card — visual illustration of the meaning
adjective C2
/əbˈsiːkwɪəs/

Excessively obedient or attentive in a servile way.

"The waiter gave an obsequious bow to every customer."

obsequy definition card — visual illustration of the meaning
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obsequy

noun C2
/ˈɒbsɪkwi/

A funeral rite, usually used in plural form obsequies.

"The village gathered for the obsequy of their beloved teacher."

noun C2
/əbˈsɪdiən/

A hard, dark, glasslike volcanic rock formed by rapid solidification of lava.

"The knife was made from sharp obsidian."

adjective C2
/ˌɒbsəˈlɛsnt/

Becoming outdated or on the way to becoming obsolete.

"The obsolescent technology could not compete with modern devices."

noun C2
/əbˈstɛtrɪks/

The branch of medicine dealing with childbirth and care of women giving birth.

"She is studying obstetrics to become a specialist in childbirth."

obstinacy definition card — visual illustration of the meaning
noun C2
/ˈɒbstɪnəsi/

Stubborn refusal to change one’s opinion or course of action.

"Her obstinacy made it impossible to reach an agreement."

adjective C2
/əbˈstrɛpərəs/

Noisy and difficult to control.

"The obstreperous students disrupted the class."

noun C2
/əbˈstrʌkʃənɪst/

a person who deliberately delays or prevents progress by being uncooperative or oppositional

"The obstructionist in the committee kept delaying the decision-making process."

verb C2
/əbˈtruːd/

to force oneself or one's ideas into a situation uninvited or inappropriately

"He didn’t want to obtrude into their private conversation."

adjective C2
/əbˈtruːsɪv/

noticeable in an unpleasant or unwelcome way; intrusive

"The advertisement was so obtrusive that it ruined the user’s experience."

verb C2
/əbˈvɜːrt/

To turn something so as to face in a different direction; in logic, to convert a proposition by negating both subject and predicate.

"The teacher asked the students to obvert the statement for practice."

obviate definition card — visual illustration of the meaning
verb C2
/ˈɑːbvieɪt/

To remove a need or difficulty; to prevent or avoid something.

"This new system obviates the need for manual data entry."

noun C2
/ˈɒksɪdənt/

The countries of the West, especially Europe and America.

"The Occident has a long history of philosophical thought."

occlude definition card — visual illustration of the meaning
verb C2
/əˈkluːd/

To block or close up an opening or passage.

"The pipe was occluded by mineral deposits."

ocean stratification definition card — visual illustration of the meaning
noun C2
ˈoʊʃən ˌstrætɪfɪˈkeɪʃən

The formation of layers in ocean water due to differences in density.

"Ocean stratification affects marine biodiversity."

noun C2
/ɒkˈteɪvoʊ/

A size of book page resulting from folding a sheet of paper into eight leaves (sixteen pages).

"The old library contained rare octavo editions of Shakespeare."

noun C2
/ˌɒktədʒəˈnɛəriən/

A person who is between 80 and 89 years old.

"The octogenarian still jogs every morning to stay healthy."

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ocular

adjective C2
/ˈɒkjʊlər/

Relating to the eye or vision.

"The patient was referred to a specialist for ocular treatment."

noun C2
/ˈɒkjʊlɪst/

An old-fashioned term for an eye doctor or ophthalmologist.

"The village oculist was known for treating various eye diseases."

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ode

noun C2
/oʊd/

a lyrical poem, often expressing praise or strong emotions

"The poet wrote an ode to the beauty of nature."

adjective C2
/ˈoʊdiəs/

extremely unpleasant or repulsive

"The dictator was remembered for his odious crimes."

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odium

noun C2
/ˈoʊdiəm/

general or widespread hatred or disgust directed toward someone as a result of their actions

"The scandal brought public odium on the corrupt minister."

adjective C2
/ˌoʊdəˈrɪfərəs/

having or giving off a smell, especially a strong or pleasant one

"The garden was filled with odoriferous flowers."

adjective C2
/ˈoʊdərəs/

having or giving off a smell, often unpleasant

"The odorous garbage had to be taken out immediately."

adjective C2
/ˌɔːfˈkiː/

out of tune; not in accordance with expected standards

"The singer was slightly off-key during the performance."

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offal

noun C2
/ˈɔːfəl/

the internal organs and entrails of an animal used as food; waste parts

"The butcher prepared sausages using pork offal."

adjective C2
/ˈɒf.biːt/

Unusual, unconventional, or different from the norm.

"She has a very offbeat sense of humor."

noun C2
/ˈɒfərtɔːri/

The part of a religious service when offerings are collected; the offering itself.

"The offertory was taken during the Sunday service."

officious definition card — visual illustration of the meaning
adjective C2
/əˈfɪʃəs/

Excessively eager to offer unwanted help or advice; meddlesome.

"The officious guard kept interrupting the visitors with unnecessary instructions."

adjective C2
/ˈɒfɪʃ/

Unfriendly, distant, or reserved in manner.

"He seemed offish at the party and avoided most conversations."

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ogle

verb C2
/ˈoʊɡəl/

To look at someone with obvious sexual interest.

"He kept ogling the models on the runway."

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ogre

noun C2
/ˈoʊɡər/

A mythical monster, often depicted as large, hideous, and cruel; metaphorically, a cruel or terrifying person.

"The villagers feared the ogre who lived in the dark forest."

Oilman definition card — visual illustration of the meaning
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Oilman

noun C2
/ˈɔɪl.mən/

a person who works in the oil industry; someone who sells oil or petroleum products

"The oilman discovered a new oil field in the desert."

Oleander definition card — visual illustration of the meaning
noun C2
/oʊliˈændər/

a poisonous evergreen shrub with clusters of white, pink, or red flowers

"The beautiful oleander flowers bloomed in the garden despite their toxic nature."