summit - The highest attainable level of achievement or success; also the highest point of a hill or mountain.
submerge - To put or sink completely underwater: To cause something to go below the surface of a liquid.
noun
See verb
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Good / Busysurge - A sudden powerful forward or upward movement, especially by a crowd or by a natural force such as the waves or tide
subservient - Willing to obey others unquestioningly; submissive.
noun
See verb
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Good / Busyswarm - A large or dense group of insects, especially flying ones
noun
See verb
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Other / Moveswirl - A quantity of something moving in a swirl
subside - To become less intense, violent, or severe; to gradually decrease and go down to a lower level.
noun
See verb
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Good / Flexibleswap - An act of exchanging one thing for another
stutter - To speak with involuntary disruptions or repetitions of sounds, often at the beginning of words, due to a speech difficulty.
sullen - Gloomy or depressing in mood or appearance.
substantial - Of considerable importance, size, or worth; or strongly built or solid in structure.
superstar - A person who is extremely talented or admired in a particular field.