unknown

desconocido

Que nadie conoce o comprende.

En inglés sencillo: Not known or understood by anyone.

• The cause is unknown.
• Her exact date of birth remains unknown.
• They found a substance of unknown origin.

Sinónimos: undetermined, unexplained

Antónimos: known

Expresiones frecuentes: unknown cause, remain unknown, unknown origin

desconocido, no identificado

Cuya identidad no se sabe o que poca gente conoce.

En inglés sencillo: Not recognized, named, or familiar to many people.

• An unknown caller left a message.
• The painting was by an unknown artist.
• She was relatively unknown before her first film.

Cómo se usa: unknown to someone (The young writer was unknown to most readers.)

Sinónimos: unidentified, unfamiliar, obscure

Antónimos: famous, well-known

Expresiones frecuentes: unknown artist, unknown caller, relatively unknown

incógnita

Número representado por una letra en un problema matemático, cuyo valor hay que encontrar.

En inglés sencillo: A number represented by a letter in a maths problem whose value you must find.

• Find the unknown in this equation.
• The letter x represents an unknown.
• We solved two equations with two unknowns.

Sinónimos: unknown variable

Expresiones frecuentes: solve an unknown, one unknown, two unknowns