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Oxford 5000 - B2 - Letter O Vocabulary Set in Oxford 5000 - B2: Full and Detailed List

The 'Oxford 5000 - B2 - Letter O' vocabulary set in 'Oxford 5000 - B2' 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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obesity

/oʊˈbiː.sə.t̬i/

Example:

Childhood obesity is a growing concern worldwide.

observer

/əbˈzɝː.vɚ/

Example:

She was a keen observer of human nature.

obstacle

/ˈɑːb.stə.kəl/

Example:

The fallen tree was an obstacle in our path.

occupation

/ˌɑː.kjəˈpeɪ.ʃən/

Example:

Please state your name, address, and occupation.

occupy

/ˈɑː.kjə.paɪ/

Example:

The new tenants will occupy the apartment next month.

offender

/əˈfen.dɚ/

Example:

The police are searching for the offender.

ongoing

/ˈɑːnˌɡoʊ.ɪŋ/

Example:

The negotiations are still ongoing.

openly

/ˈoʊ.pən.li/

Example:

She spoke openly about her struggles.

opera

/ˈɑː.pɚ.ə/

Example:

They went to see a famous opera at the Royal Opera House.

operator

/ˈɑː.pə.reɪ.t̬ɚ/

Example:

The crane operator carefully lifted the heavy beam.

optimistic

/ˌɑːp.təˈmɪs.tɪk/

Example:

She is always optimistic about her chances of success.

orchestra

/ˈɔːr.kə.strə/

Example:

The orchestra performed a beautiful symphony.

organic

/ɔːrˈɡæn.ɪk/

Example:

We only buy organic vegetables.

outfit

/ˈaʊt.fɪt/

Example:

She wore a stunning outfit to the party.

output

/ˈaʊt.pʊt/

Example:

The factory's daily output has increased significantly.

outstanding

/ˌaʊtˈstæn.dɪŋ/

Example:

She is an outstanding student.

overcome

/ˌoʊ.vɚˈkʌm/

Example:

She managed to overcome her fear of public speaking.

overnight

/ˌoʊ.vɚˈnaɪt/

Example:

We stayed overnight at a hotel.

overseas

/ˌoʊ.vɚˈsiːz/

Example:

He spent several years working overseas.

ownership

/ˈoʊ.nɚ.ʃɪp/

Example:

The ownership of the car was transferred to the new buyer.

oxygen

/ˈɑːk.sɪ.dʒən/

Example:

Humans need oxygen to breathe.
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