Antonym: neither. Similar words: bother, robot, bottled, other, others, mother, another, tooth. Meaning: [bəʊθ] 
adj. (used with count nouns) two considered together; the two.
adj. (used with count nouns) two considered together; the two. 
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91. Don't you think that both views have equal validity?
92. Both countries agreed to withdraw their troops .
93. Copper and silver are both metals.
94. Mental and physical deterioration both occur naturally with age.
95. Both firms are based in Kent.
96. Both of them should be blamed.
97. Chimpanzees and gorillas are both apes.
98. Apply the glue evenly over both surfaces.
99. The judge awarded both finalists equal points.
100. "Sheep" is both a singular and plural noun.
101. Both salt and sugar dissolve easily in water.
102. Both faculty and students oppose the measures.
103. Both unions and management fear the dispute could escalate.
104. There are members of both sexes in the committee.
105. The handwriting on both cheques is identical.
105. Sentencedict.com try its best to collect and create good sentences.
106. The judges awarded both finalists equal points.
107. They were both breathing hard from the steep climb.
108. Both men imbibed considerable quantities of gin.
109. Both men were charged with assault.
110. The songs were both catchy and original.
111. Sky - diving takes both audacity and skill.
112. They have massive rows because they're both so stubborn.
113. Both my sons are crazy about old motorbikes.
114. They both enlisted a year before the war broke out.
115. On both slopes of the roof there are broken tiles.
116. We both knew we had to psych ourselves up for the race.
117. Both the texture and condition of your hair should improve.
118. Mother wants to come downstairs(sentencedict.com), but is too weak to walk; it'll take both of you to bring her down.
119. Some lucky people are endowed with both brains and beauty.
120. She was a wonderful mother to both her natural and adopted children.
More similar words: bother, robot, bottled, other, others, mother, another, tooth, brother, booth, one another, nothing, and others, smooth, so that, mothering, each other, cannot help, other than, smooth out, grandmother, clothing, to the life, the other day, two-thirds, nothing but, every other, go through, to the full, to the limit.