Antonyms

Propulsion is the action of driving or pushing forward. Traction is the grip of a tire on a road or a wheel on a rail, often associated with the force resisting motion or the interaction that allows movement, but in this context, it serves as the best antonym for the forward-pushing force.

Resentment is bitter indignation at having been treated unfairly. Gratitude is the quality of being thankful, which is the direct emotional opposite.

Romantic often implies imaginative, idealistic, or emotional qualities. Prosaic means commonplace, unromantic, or dull, making it the correct antonym.

Tenacious means tending to keep a firm hold of something; clinging or persistent. Weak is the opposite, implying a lack of firmness or strength.

Vivacious means attractively lively and animated. Languid means displaying or having a disinclination for physical exertion; slow and relaxed, which is the opposite.

Vague means of uncertain, indefinite, or unclear character. Definite means clearly stated or decided, which is the direct opposite.

Accustomed means customary or usual. Unfamiliar means not known or recognized, which is the opposite of being used to something.

Alacrity means brisk and cheerful readiness. Laziness is the quality of being unwilling to work or use energy, which is the opposite.

Brutality is savage physical violence. Humanity, in this context, refers to the quality of being humane, benevolent, or compassionate, which is the opposite.

Magnify means to make something appear larger than it is. Minimise means to make something appear or be as small as possible, which is the opposite.

Exult means to feel or show triumphant elation or jubilation. Lament means to express grief or sorrow, which is the opposite.

Ornate means made in an intricate shape or decorated with complex patterns. Plain means not decorated or elaborate; simple, which is the opposite.

Pungent means having a sharply strong taste or smell. Insipid is the opposite, meaning lacking flavor or vigor.

Sustenance is the correct answer. When we are deprived, say of food, we starve. When we have food, we are able to sustain ourselves. Hence, sustenance is the correct answer.

Malign means to speak about someone in a spitefully critical manner. Admire is the opposite, as it involves regarding someone with respect or warm approval.