Vocabularies

English Vocabulary Dictionary | Word Meanings, Definitions & Examples

noun
/əbˈdʒɛkʃən/

an expression or feeling of disapproval or opposition

"The lawyer raised an objection during the trial."

adjective
/əbˈdʒek.ʃən.ə.bəl/

arousing distaste or opposition; unpleasant or offensive

"His objectionable behavior made everyone uncomfortable."

objective definition card — visual illustration of the meaning
noun, adjective
/əbˈdʒɛktɪv/

As a noun: a goal or aim. As an adjective: not influenced by personal feelings; unbiased.

"Her main objective is to finish the project on time."

noun
/əbˈdʒɛktər/

a person who expresses opposition or disapproval to something

"The objector raised his concerns during the town meeting."

verb
/ˈɑːbdʒərˌɡeɪt/

to scold or rebuke severely

"The teacher objurgated the student for being dishonest."

noun
/ˌɑːbdʒərˈɡeɪʃən/

a harsh scolding or strong rebuke

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

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oblation

noun
/oʊˈbleɪʃən/

a religious offering, especially of bread or wine to God

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

verb
/ˈɑːblɪˌɡeɪt/

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

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

noun
/ˌɒblɪˈɡeɪʃən/

a duty or commitment

"You have an obligation to follow the rules."

obligatory definition card — visual illustration of the meaning
adjective
/əˈblɪɡətɔːri/

Required by law, rule, or custom; mandatory.

"Wearing a helmet is obligatory when riding a motorcycle."

oblige definition card — visual illustration of the meaning
verb
/əˈblaɪdʒ/

to do something as a favor or kindness for someone

"She obliged by helping him with the task."

adjective
/əˈblaɪdʒɪŋ/

Willing to help or do favors; accommodating.

"The staff at the hotel were very obliging and friendly."

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Oblique

adjective
/əˈbliːk/ or /oʊˈbliːk/

Not explicit or direct in addressing a point; slanting or indirect.

"She made an oblique reference to his past mistakes."

noun
/əˈblɪkwɪti/

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

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

obliterate definition card — visual illustration of the meaning
verb
/əˈblɪtəreɪt/

To completely destroy, remove, or wipe out.

"The town was obliterated by the powerful earthquake."

oblivion definition card — visual illustration of the meaning
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oblivion

noun
/əˈblɪviən/

The state of being completely forgotten or unknown; the state of being unconscious or unaware.

"The ancient city fell into oblivion after the empire collapsed."

oblivious definition card — visual illustration of the meaning
adjective
/əˈblɪviəs/

Not aware of or concerned about what is happening around one.

"He was oblivious to the danger approaching him."

noun
/ˈɒbləkwɪ/

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

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

adjective
/əbˈnɒkʃəs/

Extremely unpleasant, offensive, or annoying.

"The obnoxious behavior of the guest ruined the party."

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obscure

adjective, verb
/əbˈskjʊr/

Not clearly expressed or understood; to make something difficult to see or understand.

"The meaning of the poem was obscure to most readers."

noun
/ˈɒbsɪkwiːz/

Funeral rites or ceremonies.

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

obsequious definition card — visual illustration of the meaning
adjective
/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
/ˈɒbsɪkwi/

A funeral rite, usually used in plural form obsequies.

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

noun
/əbˈzɜːvəns/

The practice of following a custom, rule, or religious law.

"The festival is held in observance of a centuries-old tradition."

adjective
/əbˈzɜːvənt/

Quick to notice details or attentive to rules and customs.

"She is very observant and rarely misses any detail."

noun
/ˌɒbzəˈveɪʃən/

the action or process of observing something carefully in order to gain information

"The scientist made an observation during the experiment."

observations definition card — visual illustration of the meaning
noun
/ˌɒb.zəˈveɪ.ʃənz/

The action or process of observing something carefully.

"Observations of distant galaxies provide new insights."

noun
/əbˈzɜːrvətɔːri/

A building equipped for observing astronomical or meteorological events.

"The observatory is open to the public on weekends."

verb
/əbˈzɜːv/

to watch carefully and attentively

"The teacher asked the students to observe the experiment."

observed definition card — visual illustration of the meaning
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observed

verb
əbˈzɜːrvd

To celebrate or keep a religious or other festival.

"The day is observed annually to raise awareness."

noun
/əbˈzɜːvər/

a person who watches or notices something

"The observer took notes during the meeting."

verb
/əbˈsɛs/

To preoccupy or fill the mind of someone continually and to an excessive degree.

"She tends to obsess over small details."

noun
/əbˈsɛʃən/

An idea, thought, or concern that continually preoccupies or intrudes on a person's mind.

"His obsession with success drove him to work day and night."

adjective
/əbˈsɛsɪv/

Relating to or characterized by an obsession; thinking about something too much.

"He has an obsessive interest in cleanliness."

noun
/əbˈsɪdiən/

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

"The knife was made from sharp obsidian."

obsolescence definition card — visual illustration of the meaning
noun
/ˌɒbsəˈlɛsəns/

The state of being no longer useful or in fashion; becoming outdated.

"The rapid obsolescence of smartphones makes people upgrade frequently."

adjective
/ˌɒbsəˈlɛsnt/

Becoming outdated or on the way to becoming obsolete.

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

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obsolete

adjective
/ˌɒbsəˈliːt/

No longer in use or out of date.

"Floppy disks are now completely obsolete."

Obstacle definition card — visual illustration of the meaning
noun
/ˈɒbstəkəl/

something that blocks your way or prevents progress

"Lack of money was the main obstacle to his success."

obstacles definition card — visual illustration of the meaning
noun
/ˈɒbstəkəlz/

Things that block one's way or prevent or hinder progress.

"Obstacles in life can often lead to valuable lessons."

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obstetrician

noun
/ˌɒbstəˈtrɪʃən/

A doctor specializing in pregnancy, childbirth, and women's reproductive health.

"The obstetrician monitored the mother’s health throughout the pregnancy."

optimization definition card — visual illustration of the meaning
noun
ˌɒp.tɪ.mɪˈzeɪ.ʃən

The action of making the best or most effective use of a situation or resource.

"The company focused on optimization of resources to maximize profits."

opulence definition card — visual illustration of the meaning
noun
/ˈɒpjʊləns/

Great wealth, luxury, or abundance.

"The palace displayed a level of opulence that amazed the visitors."

noun
/ɒpˈtɒmətri/

The practice or profession of examining the eyes and prescribing corrective lenses.

"She studied optometry at the university to become an eye specialist."

noun
/ɒpˈtɒmɪtrɪst/

A healthcare professional who examines eyes and prescribes corrective lenses.

"The optometrist prescribed new glasses for her."

adjective
/ˈɒpʃənəl/

Not required; left to personal choice.

"The dress code for the party is optional."

Option definition card — visual illustration of the meaning
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Option

noun
/ˈɒpʃən/

A choice or possibility available among alternatives.

"You have the option to pay by card or cash."

optimized definition card — visual illustration of the meaning
adjective
/ˈɒp.tɪ.maɪzd/

Made as effective, perfect, or functional as possible.

"Optimized irrigation techniques conserve water in farming."

optimize definition card — visual illustration of the meaning
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optimize

verb
ˈɒptɪmaɪz

Make the best or most effective use of a situation, opportunity, or resource.

"They optimized the software for faster performance."

optimal definition card — visual illustration of the meaning
adjective
/ˈɒptɪməl/

Best or most favorable; ideal.

"This diet plan provides the optimal balance of nutrients."