Materials

Synonyms for caustic

The synonym for caustic recorded in this bank is corrosive, in the sense "capable of burning or corroding organic tissue or materials by chemical action". Below it sits the sentence that fixes that meaning, the same sentence with the swap made, and the words that only look close.

1 synonym · Tier 2, Treeline · 1 sense · adjective · 1 reason line · a wrong tile in 4 puzzles

The synonym for caustic

corrosiveadjective, in the sense "capable of burning or corroding organic tissue or materials by chemical action"

One pair, read and signed off by a human before it shipped. The bank records a synonym per sense, so a second one appears here the day caustic is audited in a second meaning.

The senseadjectiveTier 2, TreelineMaterials

capable of burning or corroding organic tissue or materials by chemical action

The drain cleaner was so caustic that it burned through the rubber glove.

One sentence, one sense. Without it the word could be read three other ways.

The true synonym

corrosive

Same sentence, swapped: The drain cleaner was so corrosive that it burned through the rubber glove.

Close but different

The game shows these three beside the answer. Each is a real word with a real meaning and none of them fits the slot caustic is in above, which is the point the reason line makes.

combustible
viscous
diluted

Where caustic turns up in the game

caustic is the word under test in one puzzle, at Tier 2, Treeline. It also sits on the board as one of the three wrong tiles in four other puzzles, where the answer is a different word entirely.

The puzzles where caustic is the trap

abrasiveadjective, Tier 2, Treeline. The answer there is gritty, in the sense "rough enough to scrape or wear away a surface by friction", with caustic sitting one tile away.
ellipsenoun, Tier 4, High Camp. The answer there is oval, in the sense "a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it", and caustic is on the board beside it.
stringentadjective, Tier 4, High Camp. The answer there is tight, in the sense "demanding strict attention to rules and procedures", and caustic is on the board beside it.
virulentadjective, Tier 4, High Camp. The answer there is deadly, in the sense "extremely poisonous or injurious", so caustic is there to be ruled out.

Play caustic

The bank on this page is the bank the game plays from, so caustic reaches you as a board rather than a definition: the sentence first, four tiles, and the meaning after you choose.

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Compiled by Fable, Editor, Synonym Stack

The entry behind this page was written for the Synonym Stack bank rather than derived from WordNet, and it passed an adversarial check before shipping. No sentence here is generated at deploy time.

Read nextThe whole library →

Closest first: other materials words at Treeline, then the same tier across the rest of the library.

fibrousadjectivestringyconsisting of or containing thin thread-like strandsTreelineHas a reason line gemnounstonea crystalline rock that can be cut and polished for jewelryTreelineHas a reason line grittyadjectiveabrasivecontaining or covered with small hard particlesTreelineHas a reason line impermeableadjectivewatertightnot allowing liquid to pass throughTreelineHas a reason line toughenverbannealto make glass or metal less liable to break, especially through heat treatmentHigh CampHas a reason line translucentadjectivefilmyallowing light to pass through while not being fully transparentRidgelineHas a reason line veneernounoverlaya thin decorative layer of fine material covering a coarser oneTreelineHas a reason line fouladjectivedirtyviolating accepted standards or rulesTreeline

Why the near miss missed, in the game as well as here

Synonym Stack plays from this exact bank. caustic carries 1 written reason line, and the game shows them the moment a round ends, whichever tile you tapped.

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