Qualities

Synonyms for deadly

Synonyms for deadly: mortal and virulent. Every one of them is a hand audited pair from the Synonym Stack word bank, shown below in the sense it fits, in a real sentence, and beside the words that only look close.

2 synonyms · Tier 2, Treeline · 1 sense · adjective · a wrong tile in 3 puzzles

The 2 synonyms for deadly

Interchangeable with deadly in this sense

Audited under deadly's own entry, so the meaning quoted is the one deadly carries in that sense.

mortaladjective, in the sense "causing or capable of causing death"

Recorded from the other side of the pair

These entries were written under the other word and name deadly as the true synonym, so the sense quoted is theirs.

virulentvirulent is an adjective in the sense "extremely poisonous or injurious"

The first group is filed under deadly's own sense. The second reaches deadly from the partner word's entry, so the sense quoted beside it is that word's.

The senseadjectiveTier 2, TreelineQualities

causing or capable of causing death

A deadly enemy.

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

The true synonym

mortal

Same sentence, swapped: A mortal enemy.

Close but different

These three are the other tiles for this sense. Each is a real word, and none of them can stand where deadly stands in the sentence above.

catching
pale
dreadful

Where deadly turns up in the game

deadly 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 three other puzzles, where the answer is a different word entirely.

The puzzles where deadly is the trap

madlyadverb, Tier 3, Ridgeline. The answer there is frantically, in the sense "in an ungovernable manner", and deadly is on the board beside it.
sadlyadverb, Tier 4, High Camp. The answer there is unhappily, in the sense "in an unfortunate way", and deadly is one of the three tiles that lose.
sadlyadverb, Tier 4, High Camp. The answer there is woefully, in the sense "in an unfortunate or deplorable manner", and deadly is one of the three tiles that lose.

Play deadly

The bank on this page is the bank the game plays from, so deadly 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

This page is built from Open English WordNet 2025, with the sense, the sentence, the tier and the near misses read by a human in the July 2026 audit. Everything on it is a stored field, not a run-time composition.

Read nextThe whole library →

The ring widens as it goes, from qualities at Treeline outward to the whole bank.

gracenounblessinga short prayer of thanks before a mealTreeline2 sensesHas a reason line grainnountexturethe physical composition of something (especially with respect to the size and shape of the small constituents of a substance)Treeline grandadjectiveheroicof behavior that is impressive and ambitious in scale or scopeTreelineHas a reason line graphicadjectivevividevoking lifelike images within the mindTreeline functionnounusewhat something is used forTreelineHas a reason line functionaladjectiveoperationalfit or ready for use or serviceRidgeline furiousadjectivefiercemarked by extreme and violent energyTreeline2 senses infiniteadjectivecountlesstoo numerous to be countedTreeline

Every word is an answer somewhere and a trap somewhere else

deadly is an answer in 1 puzzle and a wrong tile in 3. That is how the bank is built, and it is why guessing by vibe stops working around tier three.

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