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Definitions

reactive

[ree-ak-tiv] / riˈæk tɪv /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Researchers think sunlight interacting with this mixture created highly reactive chlorine that then helped destroy methane released during the eruption.

From Science Daily • May 10, 2026

“Caltrans cannot keep being in a reactive phase and then putting the city in a position of covering up for their failures.”

From Los Angeles Times • May 6, 2026

The wide-ranging proposals say reactive action would be insufficient, and online marketplaces would need to "act with due care to prevent, identify and remove dangerous products being sold via their platforms".

From BBC • Apr. 15, 2026

The point of all this: AI is helping course managers be proactive regarding the pace of play rather than reactive.

From The Wall Street Journal • Apr. 10, 2026

The mesarthium, he thought, must be reactive with skin the way some other metals were, such as copper.

From "Strange the Dreamer" by Laini Taylor




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