Vocabulary Cards
441 cards available.
B2 verb
originate
Meaning
to come into existence; to begin; to create or produce
Example
The tradition originated in ancient times.
C2 noun
orison
Meaning
a prayer, especially a devout or formal one
Example
He whispered a quiet orison before going to sleep.
B2 noun
ornament
Meaning
A decorative object that adds beauty to something.
Example
The Christmas tree was decorated with colorful ornaments.
C1 adjective
ornamental
Meaning
Serving as decoration; decorative rather than functional.
Example
The garden was filled with ornamental plants.
C1 adjective
ornate
Meaning
elaborately or highly decorated
Example
The palace hall was filled with ornate furniture and paintings.
C2 adjective
ornery
Meaning
bad-tempered and combative; stubborn
Example
The ornery old man refused to leave his chair.
C2 noun
ornithologist
Meaning
a scientist who studies birds
Example
The ornithologist spent years studying migratory birds.
C2 noun
ornithology
Meaning
the scientific study of birds
Example
She pursued ornithology to understand the migration patterns of birds.
C2 adjective
orotund
Meaning
full, rich, and clear in sound; pompous in style
Example
The actor's orotund voice filled the theater.
B2 noun
Orphan
Meaning
a child whose parents are dead; someone without protective support
Example
The orphan was adopted by a loving family.
B2 noun
Orphanage
Meaning
an institution for the care and education of children who have lost their parents
Example
The charity built a new orphanage for homeless children.
C1 adjective
orthodox
Meaning
conforming to traditional beliefs or practices
Example
He comes from a very orthodox family.
C1 noun
orthodoxy
Meaning
traditional or generally accepted beliefs and practices
Example
The religious leader defended the orthodoxy of the faith.
C2 adjective
orthogonal
Meaning
at right angles; independent or unrelated
Example
In mathematics, two vectors are orthogonal if their dot product is zero.
C2 noun
orthography
Meaning
The conventional spelling system of a language.
Example
English orthography can be confusing for learners.
C1 adjective
orthopedic
Meaning
Relating to the correction of deformities of bones or muscles.
Example
She visited an orthopedic surgeon for her back pain.
C1 verb
oscillate
Meaning
To swing or move back and forth between two points or states
Example
The stock market tends to oscillate during uncertain times.
C1 noun
oscillation
Meaning
The movement back and forth at a regular speed.
Example
The oscillation of the pendulum controls the clock.
C2 verb
osculate
Meaning
To kiss.
Example
They osculated under the mistletoe during the party.
C2 adjective
osseous
Meaning
consisting of or turned into bone; bony
Example
The fossil showed osseous structures of the ancient creature.
C2 adjective
ossified
Meaning
Turned into bone or become rigid; unwilling to change.
Example
The company had an ossified management structure that resisted innovation.
C2 verb
ossify
Meaning
to turn into bone or become rigid and inflexible
Example
With age, some tissues tend to ossify.
C1 adjective
ostensible
Meaning
stated or appearing to be true, but not necessarily so
Example
His ostensible reason for leaving was illness, but many doubted it.
C2 adjective
ostensive
Meaning
clearly demonstrative or pointing out; explicitly shown
Example
The teacher gave an ostensive example to clarify the concept.