Antonym: land. Similar words: sear, seal, seat, at sea, nausea, season, search, disease. Meaning: [sɪː] 
n. 1. a division of an ocean or a large body of salt water partially enclosed by land 2. anything apparently limitless in quantity or volume 3. turbulent water with swells of considerable size. adj. relating to or characteristic of or occurring on the sea or ships.
n. 1. a division of an ocean or a large body of salt water partially enclosed by land 2. anything apparently limitless in quantity or volume 3. turbulent water with swells of considerable size. adj. relating to or characteristic of or occurring on the sea or ships. 
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121. A sea of faces beamed with joy.
122. The sea fisheries are an important industry in Norway.
123. The sea is eating away the coastline.
124. A wreck on shore is a beacon at sea.
125. Here there is a gradual descent to the sea.
126. The transformation of American sea power began in 1940.
127. Just breathe in the ozone on the sea.
128. Mist had crept in again from the sea.
129. Heroin has been smuggled out by sea.
130. Her father fell into the sea after a massive heart attack.
131. US forces are poised for a massive air, land and sea assault.
132. A ship got stranded along the shore, but last night sea waves washed it away again.
133. Many aqueducts from ancient Roman times still stand today near the Mediterranean Sea.
134. The sea would turn pale pink and the sky blood red.
135. Their skin was tanned and glowing from their weeks at the sea.
136. I've had a lifelong fascination with the sea and with small boats.
137. The ebb and flow of the sea is certainly a sight to behold.
138. They want to buy a new house, near the sea preferably.
139. There appears to be another outbreak of sickness among seals in the North Sea.
140. It's thrilling to see people diving into the sea from a cliff.
141. Yemen commands the strait at the southern end of the Red Sea.
142. Hamilton Oil announced that it had struck oil in the Liverpool Bay area of the Irish Sea.
143. The weary walkers soothed their aching feet in the sea.
144. The sea is coated with a film of raw sewage.
145. A powered vessel should give way to sail — it is an unwritten rule of the sea.
146. The patio gave an unimpeded view across the headland to the sea.
147. Scientists have described the Aral sea as the site of the worst ecological disaster on earth.
148. Greenpeace managed to assemble enough boats to waylay the ship at sea.
149. Discharge of raw sewage into the sea is unsanitary and unsafe.
150. It is often said of our island that it is like a jewel set in the sea.