Explanation

• The idiomatic phrase "not turn a hair" means to remain completely calm and unflappable, even in the face of danger or adversity.
• It describes someone who is fearless, courageous, and unafraid to take risks.

Explanation

• Equestrian refers to a person who rides a horse, especially as a sport or recreation. It can also refer to something related to horse riding or horses in general.
• Egoist: This word refers to a person who is excessively self-interested or egotistical, and has no relation to horse riding.
• Germicide: This word refers to a substance that kills germs or microorganisms, and has no relation to horse riding.
• Impassable: This word means unable to be passed or traversed, and has no relation to horse riding.

Explanation

• Fastidious refers to someone who is meticulous, demanding, and difficult to please, especially in regards to food, taste, or standards.
• Inflammable: This word means capable of being easily set on fire or ignited, and has no relation to being hard to please.
• Incorrigible: This word means someone who is unable to be corrected or reformed, often in a playful or mischievous sense, but doesn't necessarily imply being hard to please.
• Deteriorate: This word means to become worse or decline in quality, and has no relation to being hard to please.

Explanation

• A Septuagenarian is a person who is in their 70s, i.e., between 70 and 79 years old.
• Octogenarian: A person who is in their 80s, i.e., between 80 and 89 years old.
• Nonagenarian: A person who is in their 90s, i.e., between 90 and 99 years old.
• Centenarian: A person who is 100 years old or older.

Explanation

Regalia refers to the emblems, insignia, or symbols of royalty, sovereignty, or high office, such as crowns, scepters, and other ceremonial objects.

Explanation

• Ephemeral means lasting for a very short time; transitory or fleeting.
• It describes something that is brief, temporary, or impermanent.

Explanation

• Honesty refers to the quality of being truthful, sincere, and transparent in one's words and actions.
• It involves being free from deceit, fraud, or dishonesty, and being willing to tell the truth even if it's difficult or uncomfortable.

Explanation

An ornithologist is a person who studies birds.

Ornithologists may study the behavior, physiology, and conservation of birds and bird habitats.

Additional information:

Anthropology is a person who studies or is an expert in Mankind.

Explanation

The term voucher is also a synonym for receipt and is often used to refer to receipts used as evidence of,

for example, the declaration that a service has been performed or that an expenditure has been made.

Explanation

Basket case means One made powerless or ineffective, as by nerves, panic, or stress