The temperature in the high-altitude lake dropped slightly each night, affecting the behavior of its fish.
高海拔湖泊的水温每晚略微下降，影响了其中鱼类的行为。
The philosopher's argument unfolds through a series of thought experiments, each one slightly modifying the conditions of the previous scenario in order to isolate exactly which variable determines whether an action counts as morally responsible.
From a Text Structure and Purpose question · Craft and Structure
A researcher comparing two groups of novice pianists found that students who practiced with a metronome set slightly faster than their comfortable tempo improved their sight-reading accuracy faster over six months than students who practiced an equal amount of time at their own comfortable tempo.
From a Inferences question · Information and Ideas
- Slightly acidic rainwater gradually dissolves the bedrock over thousands of years, creating underground caves and channels.
From a Rhetorical Synthesis question · Expression of Ideas
Which choice best defines “slightly”?
D — To a small degree or extent. “slightly” means to a small degree or extent.
Which word means “to a small degree or extent”?
D — slightly. “slightly” means to a small degree or extent.
slightly — to a small degree or extent. In Chinese: 稍微.
slightly is pronounced /ˈslaɪtli/.
The temperature in the high-altitude lake dropped slightly each night, affecting the behavior of its fish. (高海拔湖泊的水温每晚略微下降，影响了其中鱼类的行为。)
somewhat, marginally, a little — all close in meaning to slightly (to a small degree or extent).
greatly, substantially — each the opposite of slightly (to a small degree or extent).
Yes. slightly is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.