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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31. We walked along the sea shore.
32. The boat chugged out to sea.
33. The sea grew wilder and wilder.
34. Uranium is soluble in sea water.
35. The sea shimmered in the sunlight.
36. We generally go to the sea for our holidays.
37. The waves beat against the sea shore.
38. The tunnel entrance was submerged by rising sea water.
39. To spend holidays by the sea was his dream.
40. Many countries exploit oil under the sea.
41. The calm sea glistened in the sunlight.
42. The cruiser knifed through the heavy sea.
43. The waste was dumped in the sea.
44. Her ashes were scattered at sea.
45. The sea was dotted with little boats.
46. The sea glinted in the sun.
47. The village is 1,000 meters above sea level.
48. Too much toxic waste is being dumped at sea.
49. The sea was rolling in immense surges.
50. The wind corrugates the surface of the sea.
51. You can see the sea from our balcony.
52. The sea glittered in the sun.
53. We'll send it by post/airmail/sea.
54. The river drains into the sea.
55. Can you feel the spray from the sea/waterfall?
56. We went swimming in the sea.
57. The stadium was 2275 metres above sea level.
58. The sea reflected back the bright sunlight.
59. All rivers in the end flow to the sea.
60. The meltwater puddled the flat sea ice.