Invigorate means fill with health and energy, as you may be able to work out from the "in-" prefix, which is here not functioning as a negative one but instead one meaning to take in, and "vigor," which means energy or liveliness. "Energy" is the closest synonym amongst the provided answer choices.

Invigorate means fill with health and energy, as you may be able to work out from the "in-" prefix, which is here not functioning as a negative one but instead one meaning to take in, and "vigor," which means energy or liveliness. "Energy" is the closest synonym amongst the provided answer choices.

A "circumference" is the length of a line that goes around something or that makes a circle or other round shape or the outer edge of a shape or area. We can get this meaning from the prefix "circum-," which usually means around, as in the word "circumnavigate," which means go around something. A "perimeter" is the outside edge of an area or surface, so it is the answer choice closest in meaning to "circumference."

A "circumference" is the length of a line that goes around something or that makes a circle or other round shape or the outer edge of a shape or area. We can get this meaning from the prefix "circum-," which usually means around, as in the word "circumnavigate," which means go around something. A "perimeter" is the outside edge of an area or surface, so it is the answer choice closest in meaning to "circumference."

The root word "fool" does give a negative implication to the word, however should not be an indicator that the word is related to strict intelligence. Instead, "foolhardy" generally describes someone who disregards consequences or asks impulsively.

The root word "fool" does give a negative implication to the word, however should not be an indicator that the word is related to strict intelligence. Instead, "foolhardy" generally describes someone who disregards consequences or asks impulsively.

"Innovative" is an adjective that means original and unprecedented. Of the answer choices, the word with the closest meaning is "new."

"Malevolent" means wicked or evil; it is the antonym of benevolent. For clarification, "pious" means deeply religious; "dormant" means asleep or in a state of inactivity.

"Innovative" is an adjective that means original and unprecedented. Of the answer choices, the word with the closest meaning is "new."

"Malevolent" means wicked or evil; it is the antonym of benevolent. For clarification, "pious" means deeply religious; "dormant" means asleep or in a state of inactivity.