Vocabulary Cards B1
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B1 adjective
unimportant
sin importancia
Meaning
not having much value, significance, or influence
Example
The detail seemed unimportant compared to the main issue.
B1 adjective
uninteresting
aburrido
Meaning
not holding attention or curiosity; boring
Example
The lecture was uninteresting and difficult to stay focused on.
B1 noun
Union
unión
Meaning
the action of joining or combining; a political unit formed from separate states
Example
The union of the two companies created a powerful corporation.
B1 adjective
Unique
único; singular; raro
Meaning
being the only one of its kind; unlike anything else
Example
Every snowflake is unique in its pattern.
B1 verb
unite
unir
Meaning
to join together or combine; to bring people or things together
Example
The crisis helped unite the community.
B1 adjective
United
unido; en conjunto; de acuerdo
Meaning
joined together for a common purpose; in agreement
Example
The team was united in their goal to win.
B1 noun
Universe
universo
Meaning
all existing matter and space; the cosmos
Example
Scientists study the universe to understand its mysteries.
B1 adjective
Unkind
cruel; no amable
Meaning
cruel; not nice or caring toward others
Example
It was unkind of him to make fun of her appearance.
B1 adjective
Unknown
desconocido
Meaning
not known or identified; unfamiliar
Example
The author of this letter remains unknown.
B1 adjective
Unlike
diferente; no similar
Meaning
different from; not similar to
Example
Unlike his brother, he prefers quiet activities.
B1 adjective
Unlikely
improbable; poco probable
Meaning
not likely to happen; improbable
Example
It's unlikely to rain today with such clear skies.
B1 verb
unlock
desbloquear
Meaning
to open something that is locked; to make something accessible or available
Example
She used the key to unlock the door.
B1 adjective
unmarried
soltero
Meaning
Not married; single.
Example
He is thirty-five and still unmarried.
B1 adjective
Unnecessary
innecesario; innecesario
Meaning
not needed; not required; pointless
Example
The meeting was unnecessary since all decisions were already made.
B1 verb
unpack
desempacar
Meaning
to remove items from a container; to explain or analyze something in detail
Example
After arriving home, she began to unpack her suitcase.
B1 adjective
Unpaid
no remunerado; sin pago
Meaning
not paid for; without payment or salary
Example
She worked as an unpaid intern for six months.
B1 adjective
unplanned
no planificado
Meaning
Not planned or arranged in advance; happening spontaneously without preparation.
Example
Unplanned urbanization contributes to environmental issues.
B1 adjective
Unpleasant
desagradable
Meaning
not giving or causing pleasure; disagreeable
Example
The medicine had an unpleasant taste.
B1 adjective
unpopular
impopular
Meaning
not liked or supported by many people
Example
The decision was unpopular with the public.
B1 adjective
Unsafe
inseguro; peligroso;
Meaning
involving or causing danger or risk; not protected from harm
Example
It is unsafe to walk alone in this neighborhood at night.
B1 adjective
Unsuccessful
fallido; no logrado;
Meaning
not achieving desired aims or results; failing to accomplish a purpose
Example
His unsuccessful attempt to climb the mountain left him disappointed.
B1 adjective
unsure
inseguro
Meaning
not certain or confident; feeling doubt
Example
She felt unsure about the decision.
B1 adjective
Untrue
falso; incorrecto
Meaning
not true; false; incorrect
Example
His statement about the incident was completely untrue.
B1 adjective
Unused
sin usar; no utilizado
Meaning
not being used; not having been used before
Example
There are many unused rooms in this old mansion.