Synonym: abandoned, aged, ancient, antique, elderly, former, mature, obsolete, outworn, stale. Antonym: new, young. Similar words: fold, hold, odd, add, aid, all, and, bad. Meaning: [əʊld] 
n. past times (especially in the phrase `in days of old'). adj. 1. (used especially of persons) having lived for a relatively long time or attained a specific age 2. of long duration; not new 3. (used for emphasis) very familiar 4. just preceding something else in time or order 5. of a very early stage in development 6. old in experience 7. belonging to some prior time 8. (used informally especially for emphasis).
n. past times (especially in the phrase `in days of old'). adj. 1. (used especially of persons) having lived for a relatively long time or attained a specific age 2. of long duration; not new 3. (used for emphasis) very familiar 4. just preceding something else in time or order 5. of a very early stage in development 6. old in experience 7. belonging to some prior time 8. (used informally especially for emphasis). 
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151 These old buildings are the last vestiges of a colonial past.
152 She's getting old and she tends to ramble a bit.
153 He's a pompous old prig who's totally incapable of taking a joke.
154 He had met his old lady when he was a house painter and she was a waitress.
155 He had taken over an old company verging on liquidation.
156 Death, old age, are words without a meaning, that pass by us like the idle air which we regard not. Others may have undergone, or may still be liable to them--we "bear a charmed life", which laughs to scorn all such sickly fancies. As in setting out on delightful journey, we strain our eager gaze forward.
157 Most of the old traditions have died out with the passing of time.
158 May an old friend express his pride in your accomplishment and extend to you a wish for your continued success and happiness.
159 I love seeing old couples that are still in love.
160 How old was the baby when she started to walk?
161 He played the role of the old king in our play.
162 You are never too old to set another goal or to dream a new dream. C.S. Lewis 
163 His clothes, though old and worn, looked clean and of good quality.
164 I have a heart to accompany you to the old.
165 The old woman has a careworn look on her face.
166 Was it really necessary to trot out the same old stereotypes about Ireland?
167 The old lady sits on a mobile chair every morning.
168 He's an old grouch but she puts up with him.
169 Most patients derive enjoyment from leafing through old picture albums.
170 Julian used an axe to chop down the old apple tree.
171 The city was a mixture of old and new buildings.
172 There's always that one song that brings back old memories.
173 I need to buy new spectacle frames but I will keep the old lenses.
174 There's no need for anyone to tell you what to do next - you're old enough to use your own discretion.
175 I've cleared out all that old junk in the attic.
176 We also realize the truth of that old saying: Charity begins at home.
177 The old ethic of hard work has given way to a new ethic of instant gratification.
178 We bunked down in an old barn for the night.
179 The head of the research section was a formidable old professor.
180 The secret of change is to focus all of your energy, not on fighting the old,(http://sentencedict.com/old.html) but on building the new.