Synonym: additional, more, spare, supplementary, surplus. Similar words: extraordinary, extraterrestrial, extreme, extremely, extrovert, text, next, extol. Meaning: ['ekstrə] 
n. 1. a minor actor in crowd scenes 2. an additional edition of a newspaper (usually to report a crisis) 3. something additional of the same kind. adj. 1. more than is needed, desired, or required 2. added to a regular schedule 3. further or added. adv. unusually or exceptionally.
n. 1. a minor actor in crowd scenes 2. an additional edition of a newspaper (usually to report a crisis) 3. something additional of the same kind. adj. 1. more than is needed, desired, or required 2. added to a regular schedule 3. further or added. adv. unusually or exceptionally. 
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211. The main roof beams are given extra support by the smaller transverse beams.
212. The teacher disciplined the class by giving them extra homework.
213. Plainly,(http://sentencedict.com/extra.html) a great deal of extra time will be needed for the security checks.
214. The musicians were such a roaring success that they have been asked to stay for an extra week.
215. This deal should give the company some extra breathing room before its loans are due.
216. The extra payments are a lifeline for most single mothers.
217. As I see it/things/the situation, we'll have to get extra help.
218. He stood up on the pedals of his bike to get extra power as he cycled up the hill.
219. Some managers exert considerable pressure on their staff to work extra hours without being paid.
220. Some owners are duplexing their old houses for extra income.
221. Extra journalists have been sent to the main trouble spots.
222. There's an extra blanket in the bottom drawer of the cupboard.
223. She managed to wheedle an extra day's pay out of him.
224. The decision has been made to deploy extra troops/more powerful weapons.
225. This model has a few extra fittings, but the two cars are substantially the same.
226. The expansion of the factory will mean the employment of sixty extra workers.
227. He picked up extra money as a local stringer for the New York Herald.
228. They receive extra money over and above the usual welfare payments.
229. Extra warmth from sunlight can put an additional load on the air-conditioning system.
230. I need all this extra work like I need a hole in the head!
231. It is incumbent upon all of us to make an extra effort.
232. Luggage in excess of 100 kg will be charged extra.
233. It is cheaper to have extra building work done when the builder is on site.
234. I shouldn't have put that extra spoonful of curry powder in this meal, but I suppose we can all be wise after the event.
235. She was annoyed at having three extra guests suddenly thrust on her.
236. The city is putting on extra buses during the summer.
237. He wanted to cook something extra special for dinner that night.
238. He sounded a bit unhappy about the extra work he had to do.
239. You are only an extra in everyone else's play. Franklin D. Roosevelt 
240. It's never crowded along the extra mile. Wayne Dyer
More similar words: extraordinary, extraterrestrial, extreme, extremely, extrovert, text, next, extol, extend, extent, next to, context, texture, next door, extended, exterior, textbook, external, extension, extensive, dexterous, extinction, exterminate, to some extent, trap, tray, trash, trade, trace, track.