Similar words: less, bless, nonetheless, much less, homeless, senseless, no less than, more or less. Meaning: [ʌnˈles] 
conj.1. except under the circumstances that: I'll be there at nine, unless the train is late. prep. 2. except; but; save: Nothing will come of it, unless disaster..
conj.1. except under the circumstances that: I'll be there at nine, unless the train is late. prep. 2. except; but; save: Nothing will come of it, unless disaster.. 
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(181) The management's plans to reorganize the company won't succeed unless they can carry the workforce with them.
(182) Their captors told them they would be killed unless they cooperated.
(183) Training is worthless unless there is proof that it works.
(184) There is no point in pushing them unless they are talented and they enjoy it.
(185) Such attitudes are valueless unless they reflect inner cognition and certainty.
(186) Just pencil in the answer unless you're sure it's correct.
(187) The South African mailboat arrived on Friday mornings unless bad weather intervened.
(188) Unless anyone has anything to add, we'll take a vote.
(189) The class were told that there would be no outing unless they pulled their socks up.
(190) We won't have discussions with this group unless they eschew violence.
(191) Unless someone has a brainwave we'll never solve this problem.
(192) Unless he drops the charge we'll have to buy him off.
(193) The catch is that you can't enter the competition unless you've spent $100 in the store.
(194) You are allowed 20kgs of baggage unless indicated otherwise on your ticket.
(195) Students are not allowed to handle these chemicals unless they are under the supervision of a teacher.
(196) The firm will head toward bankruptcy unless a new manager is elected.
(197) The economy is in danger of collapse unless far-reaching reforms are implemented.
(198) The Chancellor could face a rough ride unless the plan works.
(199) Unless we get more funding we'll be prevented from finishing our experimental programme.
(200) 'Which proves I'm right' is not clear unless we know the antecedent of 'which'.
(201) They're going to be famous, but unless something happens,[http://sentencedict.com/unless.html] they're going to self-destruct.
(202) Unless there is evidence to the contrary, we ought to believe them.
(203) They can't understand what we mint at,unless we speak it out.
(204) Unless otherwise specified, all fields have a maximum length of 20 characters.
(205) The company won't keep going unless we can get some loan.
(206) Unless more money is given to schools, all this talk of improving education is just a charade.
(207) Unless there is any other business, we can end the meeting.
(208) We've been friends a long time. long is not used in positive sentences unless it is used with too, enough, as, so, seldom, etc.:I stayed out in the sun for too long.
(209) Electricity is actually made up of extremely tiny particles called electrons, that you cannot see with the naked eye unless you have been drinking. Dave Barry 
More similar words: less, bless, nonetheless, much less, homeless, senseless, no less than, more or less, regardless, nevertheless, regardless of, unlike, unlikely, sales, wholesale, telescope, adolescent, tablespoon, cholesterol, Palestinian, mess, essay, press, assess, Messrs, access, stress, dress up, vessel, impress.