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toxic
mastery/ˈtɒk.sɪk/adj
card 1 of 1 · antonym
Which word is most opposite in meaning to **toxic** in the sentence below?
Without proper safeguarding, toxic heavy metals seep into the soil and groundwater.
card 1 of 1 · antonym
Which word is most opposite in meaning to **toxic** in the sentence below?
Without proper safeguarding, toxic heavy metals seep into the soil and groundwater.