"Obnoxious" means extremely unpleasant, so "unpleasant" is the correct answer. "Agreeable" is an antonym of "obnoxious"; it means pleasant and easy to get along with. "Touching" means arousing strong feelings of emotion. "Prudent" means careful and cautious. "Careless" means not cautious or inattentive.

"Petulant" means bad-tempered, childish, or peevish, so "peevish," which means sullen or crabby, is the correct answer. None of the other answer choices are close in meaning to "petulant" and "peevish": "clever" means shrewd or smart; "dangerous" means potentially causing harm; "maniacal" means insane; and "challenging" means difficult.

"Peevish" means easily irritated, so "irritable," an adjective that means petulant or crabby, is the correct answer. None of the other answer choices are close in meaning to "peevish" and "irritable": "visible" means able to be seen; "amiable" means friendly or easy to talk to or get along with;"apathetic" means unconcerned or indifferent; and "orderly" means arranged in a neat and tidy manner.

"Affable" means easy to get along with or friendly. "Odorous" means having a bad smell. "Vulnerable" means weak or helpless. "Dull" means boring or not interesting. "Canine" refers to dogs and their characteristics.

"Humane" means showing compassion or emotion. "Foolish" means stupid or silly. "Pacific" means calm and peaceful. "Hydrous" means having water or referring to water. "Barren" means lifeless or incapable to growing crops.

"Impudent" means rude or cocky. "Authoritative" is having knowledge or mastery of a subject. "Inadequate" means insufficient or not enough. "Ecstatic" means joyful or extremely happy. "Zealous" means passionate and enthusiastic.

Someone who is "irascible" is easily angered or annoyed. "Cranky" is the best choice as it means ill-tempered or grouchy. Considering the other choices, "hot" and "chilly" are not related in meaning to "irascible," "formidable" means intimidating in strength, and "veritable" means true, as you might be able to tell because the root contains the root "veri," which derives from the Latin "veritas," meaning truth. The root "veri" appears in other words such as "verisimilitude" and "veracity."

"Meticulous" is descriptive of someone who gives close attention to detail. The answer choice closest in meaning to "meticulous" is therefore "careful."

"Fiesty" means lively or spunky, so "lively," which means full of energy, is the correct answer. "Depressed" means sad and gloomy. "Radiant" means bright or very shiny. "Bad-tempered" means easily irritated or upset. "Fertile" means fruitful, able to produce a lot of crops, or capable of conceiving.

“Irascible” means very irritable or easily provoked to anger, so "irritable" is the correct answer. None of the other answers are close in meaning to “irascible”. “Dehydrated” means dry or lacking water. “Gaseous” means vaporous. “Dying” means fading or expiring. “Honest” means truthful.