We thank Davies and Gardner for allowing this open educational resource to display Hebrew and Arabic translations of their Academic Vocabulary List (2013). Please see their site (http://www.academicwords.info/) for valuable information on learning and teaching high-frequency academic words.
Translation
unimportant Production importante
unique único
uniquely único
uniqueness único
unitary unitario
universality universal
universally universal
unjustified justificar
unpalatable sabroso
unpredictability predecir, prever
unproductive Reception producir, productos
unpublished Production publicar
unrecognized Reception reconocer, identificar, admitir
unrelated Production relación, pariente
unresolved resolver, decidir, solucionar, resolución, decisión, determinación
unrestricted restringir, coartar, limitar
unsound sólidamente, sensatamente
unstable establo, caballeriza, cuadra, estable
unstated Reception declarar, hacer constar, afirmar, estado, nación, situación, condición
unsupported Production sostener, apoyar, soportar, respaldar, patrocinar, soporte, apoyo, patrocinio
unsustainable sostener
untenable sostenible, defendible
unwarranted garantizar, certificar, justificar, autorizar, justificación, orden judicial, garantía, comprobante
upsurge exabrupto, recrudecimiento, aumento repentino
urban urbano
urbanization urbano
urbanized urbano
usurp usurpar
utilitarian utilitario
utility utilizar
utilization utilizar
valid válido, vigente
validate válido, vigente
validation válido, vigente
variable variar, disentir, diferir, discordar, discrepar
variant variar, disentir, diferir, discordar, discrepar
variation variar, disentir, diferir, discordar, discrepar