What word describes a trip to Hawaii that a vacationer felt was too short?

The word "insidious" in the sentence means "Gradual." Insidious refers to something that progresses slowly and subtly but with harmful effects, often going unnoticed until it's too late to prevent or mitigate the damage.

The correct meaning of the word "affect" in the sentence is "Influence." Affect is usually a verb, and it means to impact or change. This is synonymous to the word influence, which is the power to have an important effect on someone or something. Bad weather might influence or impact the store owners' sales, potentially affecting customer traffic or purchasing behavior.

The correct meaning of "prognosis" in the sentence is "Expected outcome." Prognosis refers to the predicted course or outcome of a disease or condition based on medical evaluation and treatment. In this context, the patient's prognosis was excellent, indicating a positive expected outcome after treatment.

The correct word is "Euthanasia." Euthanasia is the act of intentionally ending a patient's life to relieve suffering, Euthanasia is often a controversial practice, and many states have banned it due to ethical and legal reasons. The sentence implies that euthanasia should never be performed by a healthcare professional due to ethical and legal considerations.