Antonym: night. Similar words: day after day, by day, all day, one day, today, the other day, yesterday, night and day. Meaning: [deɪ] 
n. 1. time for Earth to make a complete rotation on its axis 2. some point or period in time 3. the time after sunrise and before sunset while it is light outside 4. a day assigned to a particular purpose or observance 5. the recurring hours when you are not sleeping (especially those when you are working) 6. an era of existence or influence 7. a period of opportunity 8. the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis 9. the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day 10. United States writer best known for his autobiographical works (1874-1935).
n. 1. time for Earth to make a complete rotation on its axis 2. some point or period in time 3. the time after sunrise and before sunset while it is light outside 4. a day assigned to a particular purpose or observance 5. the recurring hours when you are not sleeping (especially those when you are working) 6. an era of existence or influence 7. a period of opportunity 8. the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis 9. the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day 10. United States writer best known for his autobiographical works (1874-1935). 
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121. It was a warm day, if not exactly hot.
122. Never give up on anybody. Miracles happen every day.
123. He runs five miles every day.
124. New Year's Eve is the day before January 1st.
125. Activists are increasing in number day by day.
126. Today is a significant day for me.
127. Could we plan it for another day?
128. Each day passed without any news.
129. They left the day before yesterday .
130. He restricted himself to five cigarettes a day.
131. Next day, Miss Stone decided to sew up the rip.
132. British Airways have two flights a day to Bangkok, and there are onward flights to Phnom Penh.
133. New Year time is here. I hope you have a wonderful New Year. May every day hold happy hours for you.
134. The day of reckoning is coming for the water company directors.
135. She won't relish having to do the household chores every day.
136. One can eat only 1500 calories a day on this diet.
137. Did you put in for that post in the library that you were speaking about the other day?
138. It's late in the day to think of a change of plan when we've already ordered the materials.
139. The match was postponed to the next day because of bad weather.
140. It's an awful nuisance having builders in the house all day.
141. He became one of the best known actors of his day.
142. How many hours of daylight do we have in a day?
143. It is not beyond the bounds of possibility that we'll all meet again one day.
144. It is also worth tagging on an extra day or two to see the capital.
145. On this special day that belongs to you,I'd like to tell you the happiness we share means more than I can show.With all my heart,(sentencedict .com)I'm wishing the joy the whole year through.Happiness always!
146. The secretary has a large amount of mail to answer every day.
147. Happy birthday to my husband.Time elapse so quickly,but my love for you grows fonder.I want to tell you on this special day that your love makes my life complete.
148. I will greet this day with love in my heart.
149. Things once thought never forget one day will look completely different.
150. One day, the beginning of a new career journey will commence. Today is NOT that day.
More similar words: day after day, by day, all day, one day, today, the other day, yesterday, night and day, day and night.