Synonym: hidden, mystical, occult, profound, recondite, secret. Similar words: various, curious, oyster, laboriously, interior, esterification, step by step, period. Meaning: [mɪ'stɪrɪəs /mɪ'stɪə-] 
adj. 1. of an obscure nature 2. having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding.
adj. 1. of an obscure nature 2. having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding. 
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121. Extremes in nature equal ends produce; In man they join to some mysterious use. Alexander Pope 
122. Eight others connected directly or indirectly with the dig later died in mysterious circumstances.
123. The defendants stored on their land large quantities of combustible materials which ignited in mysterious circumstances.
124. The extremely limited possibilities of the machine yielded images which are at once frankly realistic and curiously mysterious.
125. The sanctuary was further enhanced by a mysterious and delightful flower-like odor which proceeded from the coffin.
126. The mysterious disappearance of Mr. Stavanger alone is something that needs to be cleared up.
127. Instead, she studied the Fannings intently for clues as to their mysterious behavior.
128. On her parted lips a mysterious, an unspeakable question trembled.
129. They brush off Elijah and board the ship, but they see no sign of the mysterious figures they saw boarding earlier.
130. At the same time he was conscious of a deep and mysterious horror deep inside him.
131. It's not half so mysterious when you've got a horde of parents dragging screaming kids around it.
132. Hillary Clinton was questioned about the mysterious appearance of her law firm billing records.
133. The movie gets to its mysterious combat island with a cool buildup and a sense of wonder.
134. A: Cookies are one of the more mysterious features of browsing the World Wide Web.
135. Some of the abuses being investigated by the commission involve mysterious poisonings of anti-apartheid figures.
136. In fact, according to the rules of quantum mechanics, what is happening is even more mysterious than that!
137. One boy died in a mysterious fire, another of a drug overdose.
138. The hotel manager immediately cleaned out the sewer, and there was no return of the mysterious disease.
139. Last year a local deejay spent a month trying to bribe listeners into giving up information about the mysterious runner.
140. You know I have long been troubled by two different features of that mysterious idol.
141. We had to tell the truth, and we were then judged by mysterious, arbitrary standards.
142. Within the underground complex many mysterious rites take place which it is forbidden for any male to witness.
143. There would be no phone call from the mysterious informant.
144. The evening is beautiful and mysterious and the outskirts of Reading full of softly lit curtained windows and familiar homely sounds.
145. They continued to pursue their own explanations for the mysterious mountains on the ocean floor.
146. Probably now that she had gone they were talking more freely-about the Nawab and his mysterious misdeeds.
147. In later years the humble feast grew into a mysterious worship,(www.Sentencedict.com) about which we know little.
148. Increased knowledge of the behavior of airbursts has led to a better understanding of mysterious aerial explosions that occur frequently on Earth.
149. It reminded the sergeant of mission control for some dark and mysterious space flight.
150. Among Clark's more important illuminations are his thoughts on Lewis' mysterious death.
More similar words: various, curious, oyster, laboriously, interior, esterification, step by step, period, system, ecosystem, solar system, envious, anxious, dubious, obvious, previous, officious, oblivious, bumptious, vivacious, obviously, ambitious, previously, suspicious, pugnacious, loquacious, subconsciously, consciousness, foster, poster.