Synonyms, antonyms & odd-one-out

Each answer names the task (same vs opposite vs odd one out) and the rule.

Timed drill

(b) huge. Enormous and huge both mean very big. Tiny is the antonym trap.
(b) modern. Ancient = very old; its opposite is modern. Old is a synonym, not antonym.
(c) carrot. Apple, banana, orange are fruits; carrot is a vegetable.
(b) start. Begin and start are synonyms. Stop/finish are antonyms; delay is related but not a synonym.
(c) conceal. Reveal = show; opposite is conceal (hide). Show/open are synonyms.
(c) crawl. Sprint, jog, dash all involve running. Crawl uses hands and knees.
(b) shy. Timid and shy both mean easily frightened or reserved. Bold is the antonym.
(c) easily broken. “Handle carefully” is the context clue.
(b) forbid. Permit = allow; its opposite is forbid. Allow is a synonym.
(c) rose. Oak, pine, maple are trees; rose is a flower.
(a) tired. Weary means worn out, tired.
(c) mean. Generous = giving freely; opposite is mean (stingy). Kind is a synonym.
(c) hammer. Knife, saw, axe all cut. A hammer strikes.
(b) honest. Candid means frank or openly honest.
(c) disappear. Vanish and disappear are synonyms.
(c) flimsy. Sturdy = strong and solid; opposite is flimsy. Strong is a synonym.
(c) Amazon. Pacific, Atlantic, Arctic are oceans; Amazon is a river.
(b) keen. Eager and keen both mean enthusiastic.
(a) flowed in curves. Rivers meander by winding slowly.
(c) shout. Whisper, mutter, murmur are all quiet speech. Shout is loud.

(b) hesitant. Reluctant = unwilling; hesitant is the closest match. Eager is the opposite.
(c) abundant. Scarce = in short supply; opposite is abundant (plentiful). Rare/small are near-synonyms.
(d) forlorn. Ecstatic, jubilant, elated all mean very happy; forlorn means sad and lonely.
(b) careful and precise. “Meticulous account” = detailed and careful reporting.
(a) stubborn. Obstinate and stubborn are synonyms — unwilling to change one’s mind.
(b) lasting. Fleeting = brief, soon gone; opposite is lasting.
(d) violet. Crimson, scarlet, ruby are all shades of red; violet is purple.
(b) brief and clear. “Three sentences and we understood” = short and to the point.