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Oxford 5000 - C1 - Letter O Vocabulary Set in Oxford 5000 - C1: Full and Detailed List

The 'Oxford 5000 - C1 - Letter O' vocabulary set in 'Oxford 5000 - C1' is carefully selected from standard international textbook sources, helping you master vocabulary in a short time. Comprehensive compilation of definitions, illustrative examples, and standard pronunciation...

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objection

/əbˈdʒek.ʃən/

Example:

My main objection is the cost.

oblige

/əˈblaɪdʒ/

Example:

Doctors are obliged to keep patients' records confidential.

obsess

/əbˈses/

Example:

He tends to obsess over small details.

obsession

/əbˈseʃ.ən/

Example:

His obsession with cleanliness made him wash his hands constantly.

occasional

/əˈkeɪ.ʒən.əl/

Example:

He makes occasional visits to his hometown.

occurrence

/əˈkɝː.əns/

Example:

The occurrence of natural disasters has increased.

odds

/ɑːdz/

Example:

The odds are good that she will win the election.

offering

/ˈɑː.fɚ.ɪŋ/

Example:

The church received a generous offering from the community.

offspring

/ˈɑːf.sprɪŋ/

Example:

The couple had three healthy offspring.

operational

/ˌɑː.pəˈreɪ.ʃən.əl/

Example:

The new system is fully operational.

opt

/ɑːpt/

Example:

You can opt for a refund or a replacement.

optical

/ˈɑːp.tɪ.kəl/

Example:

The new telescope has excellent optical performance.

optimism

/ˈɑːp.tə.mɪ.zəm/

Example:

Despite the challenges, she maintained her optimism.

oral

/ˈɔːr.əl/

Example:

She has good oral hygiene.

organizational

/ˌɔːr.ɡən.əˈzeɪ.ʃən.əl/

Example:

The company is undergoing major organizational changes.

orientation

/ˌɔːr.i.enˈteɪ.ʃən/

Example:

He lost his orientation in the dense fog.

originate

/əˈrɪdʒ.ən.eɪt/

Example:

The custom originated in ancient Egypt.

outbreak

/ˈaʊt.breɪk/

Example:

The sudden outbreak of the flu caught everyone by surprise.

outing

/ˈaʊ.t̬ɪŋ/

Example:

We went on a family outing to the beach.

outlet

/ˈaʊt.let/

Example:

I need to find an electrical outlet to charge my phone.

outlook

/ˈaʊt.lʊk/

Example:

She has a positive outlook on life.

outrage

/ˈaʊt.reɪdʒ/

Example:

The public expressed outrage over the scandal.

outsider

/ˌaʊtˈsaɪ.dɚ/

Example:

As an outsider, he found it hard to understand their traditions.

overlook

/ˌoʊ.vɚˈlʊk/

Example:

I think you may have overlooked a key detail in the report.

overly

/ˈoʊ.vɚ.li/

Example:

She was overly concerned about her appearance.

oversee

/ˌoʊ.vɚˈsiː/

Example:

The manager will oversee the entire project.

overturn

/ˌoʊ.vɚˈtɝːn/

Example:

The boat overturned in the storm.

overwhelm

/ˌoʊ.vɚˈwelm/

Example:

She was overwhelmed by grief after losing her pet.

overwhelming

/ˌoʊ.vɚˈwel.mɪŋ/

Example:

The support from the community was overwhelming.
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