Which words best define the word ominous? The sky looked ominous, so rather than risk getting soaked in a thunderstorm, my mom cancelled our picnic.

cloudy and vague****
dark and threatening

http://www.answers.com/ominous

that literally in NO WAY helps ANYONE. The definition of ominous: is giving the impression that something bad or unpleasant is going to happen; threatening; inauspicious

its b

To determine the words that best define the word "ominous," we can analyze the context in which it is used. In the given sentence, "The sky looked ominous, so rather than risk getting soaked in a thunderstorm, my mom cancelled our picnic." The description of the sky as ominous suggests that something negative or threatening is about to happen. Based on this, we can conclude that the words "dark and threatening" accurately define the word "ominous." Additionally, the words cloudy and vague are not the best choices as they do not convey the sense of danger or threat implied by "ominous."