a visible mass of condensed water vapor floating in the atmosphere.

a state of uncertainty or vagueness.

अनिश्चितता

English Usage: There was a cloud of suspicion hanging over the investigation.

Hindi Usage: जांच के चारों ओर संदेह का एक बादल था।

a quantity of something, especially the total of a thing or things in number, size, value, or extent.

the extent of a quality or characteristic.

मात्रा

English Usage: There was a large amount of enthusiasm among the participants.

Hindi Usage: प्रतिभागियों में उत्साह की एक बड़ी मात्रा थी।