Suspenseful Words

noun the quality of being secretive or sly

• The suspect's furtiveness raised suspicions among the investigators.
• I could sense his furtiveness as he tried to hide something from me.
• Her furtiveness was so obvious, it was like she was up to no good.
• The dark clouds moved across the sky with a sense of furtiveness, hinting at an impending storm.

noun a very small distance or margin

• The car missed hitting the pedestrian by a hairbreadth.
• I almost burned the cake, but managed to save it by a hairbreadth.
• That was a close call, we escaped by a hairbreadth!
• She made a hairbreadth escape from the dangerous situation.

adjective describes or modifies a noun or pronoun, in this case, 'mysteriously' describes how something is done in a mysterious manner

adverb modifies a verb, adjective, or other adverb by providing information on how an action is performed or how something is described

• The ancient artifact mysteriously disappeared from the museum overnight.
• She mysteriously stopped answering my calls out of the blue.
• That party was so wild, people were mysteriously vanishing left and right.
• Her emotions were like a dark storm cloud, swirling mysteriously inside her.

adjective having or being in shadow; shady; indistinct; vague

• The detective followed the suspect into the shadowy alleyway.
• I don't like walking through that shadowy part of the park at night.
• The shadowy figure disappeared into the night before we could catch them.
• The shadowy past of the politician was finally exposed by the media.