Synonyms

Irresolute means showing or feeling hesitancy or uncertainty. Doubtful, vacillating, and wishy-washy are all synonyms for this state of indecision.

Atrocious means horrifyingly wicked or of a very poor quality, making 'shocking' the best synonym among the choices.

To squander means to waste something, especially money or time, in a reckless and foolish manner.

Fuel is something that can be burned. Incombustible means something that cannot be burned, making it the opposite of a fuel.

A synonym for 'steal' is 'theft' (though 'theft' is a noun and 'steal' is a verb, it is the closest thematic match in the list).

A 'slight' can mean small in degree or amount, for which 'mild' is a suitable synonym.

To 'irritate' means to make someone annoyed or to provoke, which is synonymous with 'agitate'.

Happiness is a state of well-being and contentment. Delight is a synonym that expresses a high degree of pleasure or joy, whereas sorrow is an antonym.

Constant refers to something that happens or stays the same over a period of time. Regular is a synonym indicating a steady or uniform occurrence, matching the meaning of constant.

'Hard' refers to something firm or solid, making 'solid' the appropriate synonym in this context.

'Dishonor' means a state of shame or disgrace, which can be described as a 'stain' on one's reputation.

Different means not the same as another or each other. Dissimilar is a direct synonym meaning not alike, whereas congruous means in agreement or harmony.

'Complex' means consisting of many different and connected parts, making 'intricate' the correct synonym.

To 'shine' can mean to make something bright by rubbing it, which is synonymous with 'polish'.