One Word Substitution

Antiseptic is the substance that prevents decomposition and inhibits the growth of microorganisms that cause decay. A theist believes in God, and 'fool' and 'feet' are completely unrelated to medicines or preservation.

Cliched is the correct term for hackneyed phrases, overused expressions, or stereotyped language. A cliché is a phrase that has lost its originality through overuse. Cant refers to insincere talk, delible means capable of being erased, and ennui means boredom - none fit the definition.

Transparent is the correct term for something that can be clearly seen through. It allows light to pass through almost completely, making objects behind it visible. A widow is a woman whose spouse died, a virgin has never had sex, and old means aged - none relate to visibility through materials.

Stale refers to something that has lost its freshness, typically food or air that is no longer fresh or palatable. Old and new describe time but not specifically lack of freshness, while gratis means free.

Polyandry is the anthropological term for a woman having multiple husbands simultaneously. The prefix 'poly-' means multiple, and this is a recognized form of marriage in some societies.

In the passage context, 'anxious' describes the student's feeling of worry and unease about their language struggles. 'Apprehensive' means feeling worried or uneasy, which matches perfectly. 'Hesitant' means unsure or slow to act, 'loath' means unwilling, and 'composed' means calm - none capture the sense of worry that 'anxious' conveys.

Someone who is bold is a person who is brave and not afraid to take risks.

Haste means speed in doing something, especially when rushing due to lack of time. The phrase 'haste makes waste' warns that acting too quickly can lead to mistakes. Words like 'waste', 'taste', and 'least' are phonetically similar but semantically unrelated to the concept of speed.

A pit is a large hole in the ground or a hollow in any surface. This definition perfectly matches the description. Words like 'bit', 'hit', and 'tilt' don't relate to holes or depressions in the ground. Pit can refer to various types of holes, from fruit pits to mining pits.

Bitter means causing great unhappiness or making someone feel very miserable. This adjective describes experiences, emotions, or situations that create deep sorrow. 'Tatter', 'scatter', and 'better' are unrelated to emotional states or feelings of unhappiness.

Stare means to look at somebody or something for a long time, often with intensity or fixed attention. This verb describes prolonged looking without necessarily focusing or squinting. 'Drool', 'elude', and 'squint' don't match the definition of prolonged looking.

Gallop means to ride a horse very fast at its fastest gait. This term specifically describes the fastest horse movement where all four feet leave the ground. 'Paddock' is an enclosure, 'bridle' is horse equipment, and 'bridal' relates to weddings, none of which mean riding fast.