undoubtedly/ʌndáutidli/adv. used to say that something is true
unemployment/ʌ`nimplɔ'imənt/n. the situation of not having a job that provides money, or the number of people in this situation at any time
unemployment benefitspayments made by a government to a person who has lost his or her job
unemployment ratethe number or percentage of people in a country or area who do not have jobs
unethical/ʌnéθik(ə)l/adj. not morally acceptable
unexpected/ʌ`nikspéktid/adj. Something that is unexpected surprises you because you did not know it was going to happen.
unfamiliar/ʌ`nfəmíljər/adj. not previously experienced or known
unfavorable/ʌnféiv(ə)rəbl/adj1. having or showing a negative opinion
adj2. not tending to help; not likely to lead to a positive result
unfold/ʌ`nfóuld/v1. (of a situation or story) to develop or become clear
v2. to open or spread out something that has been folded
unfortunate/ʌnfɔ':rʧ(ə)nət/adj. bad and causing problems
unfortunately/ʌnfɔ':rʧ(ə)nətli/adv. used to say that you wish something was not true or that something had not happened
uniform/jú:nəfɔ`:rm/adj. being the same size, shape, amount, etc.
n. a special set of clothes that are worn by people who do a particular job or by the students at some schools
uninformative/ʌ`ninfɔ':mətiv/adj. not giving enough information
uninterrupted/ʌnìnt(ə)rʌ'ptid/adj. (especially of a period of time) continuous
union/jú:njən/n1. an organization that represents people who do a particular job
n2. two or more countries, groups, etc. that join together to make one country, group, etc.
unique/ju:ní:k/adj1. different from everyone and everything else
adj2. unusual and special
unit/jú:nit/n1. a single, complete thing that is part of a larger thing
n2. a measure used to express an amount or quantity
unity/jú:nəti/n. a situation in which everyone agrees with each other or wants to stay together
unless/ənlés/conj. except if
unlikely/ʌnláikli/adj. not expected to happen
unlimited/ʌnlímitid/adj. not having a limit or highest possible amount, number, or level
unload/ʌnlóud/v1. to remove the contents of something such as goods from a vehicle, the bullets from a gun, or the film from a camera
v2. If you unload something that you no longer want, you get rid of it
unlock/ʌnlɑ':k/v. to open something that is locked using a key
unoccupied/ʌnɑ':kjəpaid/adj. without anyone in it, or not busy
unofficial/ʌ`nəfíʃ(ə)l/adj. not said or done by the government or someone in authority