One word substitution

A zoo is specifically designed as a place where animals are kept for exhibition, conservation, or study. A house is for humans, a kennel is specifically for dogs, making zoo the most comprehensive answer.

An undertaker is a person whose profession is preparing dead bodies for burial or cremation and managing funeral arrangements.

A translucent object allows light to pass through but diffuses it so you cannot see clearly through it (unlike transparent). Opaque blocks light completely.

A tannery is a workshop or factory where animal hides are processed into leather through the tanning process.

Suicide is defined as the act of killing oneself intentionally. Murder is killing another person, mint is where coins are made, and a lair is an animal's den.

Synonyms are words that have the same or nearly the same meaning as another word. Antonyms are opposites.

A stable is specifically a building where horses are kept and housed. A creche is for children, a generic house is for humans, and a zoo houses various animals.

A reservoir is a large natural or artificial lake used as a source of water supply. A river flows, making reservoir the only fitting answer for water storage.

Popular means liked, admired, or enjoyed by many people. Voluntry is a misspelling of voluntary, insoluble means cannot be dissolved, and sensational means causing great excitement.

An observatory is a specially designed building or facility equipped with telescopes and instruments for studying celestial objects like stars, planets, and galaxies. A hanger stores aircraft, a space station orbits in space, and an observatory is the ground-based facility for astronomical observations.

An optimistic person consistently focuses on positive aspects and expects favorable outcomes, even in challenging situations. The term comes from 'optimum' meaning best. A ring leader leads criminal groups, unsociable people avoid others, and optimistic is the correct match for 'bright side'.

A misogynist is someone who has a strong hatred, dislike, or prejudice against women. The word comes from Greek 'misos' (hatred) + 'gyne' (woman). A lover is the opposite, opaque means unclear, and a lair is a hiding place - none match the definition.

A mint is a government facility where coins are manufactured and currency is produced. The term comes from the Latin 'moneta'. Aquariums house aquatic life, breweries make beer, zoos display animals - only mints produce money.

Objectionable means something that is open to criticism, disagreement, or moral objection - it can reasonably be opposed. Promising means likely to succeed, an undertaker handles funerals, and portable means easily carried - only objectionable fits the definition.

A neurotic person suffers from neurosis - a mental disorder characterized by anxiety, obsessive thoughts, or emotional distress. A vegetarian doesn't eat meat, an orchard grows fruit trees, and narcotic refers to drugs - only neurotic matches 'nervous disorder'.

Insoluble means something that cannot be dissolved, solved, or resolved - like a problem with no solution. The prefix 'in-' means not. An optimist is positive, soluble means can be dissolved, and opaque means unclear - only insoluble means 'cannot be solved'.

A kennel is a shelter or house specifically designed for dogs. Stables house horses, zoos display various animals, and creches care for children - only kennel is for dogs.

An orchard is a piece of land specifically planted with fruit trees for cultivation. A garden grows various plants, a forest is natural woodland, and 'none' is not valid - only orchard matches the fruit tree definition.

Immovable describes something that cannot be moved or is fixed in place, like real property. An emigrant leaves their country, celibate means unmarried, and 'none' is invalid - only immovable fits 'cannot be moved'.

Democracy is a government system where power is held by the people - they exercise it directly or through elected representatives. This famous phrase comes from Lincoln's Gettysburg Address. A dictator rules alone, an actor performs, and democracy is the correct answer.

A celibate person practices celibacy - the state of voluntarily abstaining from marriage and sexual relations. Gregarious means sociable, cautious means careful, and celibate is the correct term for someone practicing celibacy.

The word 'incredible' literally means something that cannot be believed or is too extraordinary to be accepted as true. It is formed from 'in-' (not) + 'credible' (believable). The other options don't relate to believability.

A dairy is a facility where milk is processed and converted into products like butter, cheese, and yogurt. The word comes from 'dey' (Old English for female servant) who historically milked cows. Breweries make beer, and hangars store aircraft.

Herbivorous animals are those that feed on plants. This comes from 'herb-' (plant) + '-vorous' (eating). Carnivorous animals eat meat, which is the opposite. The term 'illegal' is unrelated to animal feeding habits.