Deadly

Synonyms Fatal, mortal, life-threatening, destructive, harmful, detrimental, unhealthy, toxic, terminal, untreatable, deathly, mephitic, lethal, death-dealing, dangerous, injurious, pernicious, deleterious, noxious, poisonous, incurable, malignant, nocuous, and baneful.

Synonyms Mortal, implacable, relentless, unappeasable, merciless, bitter, antagonistic, fierce, savage, irreconcilable, remorseless, unrelenting, unforgiving, pitiless, hostile, murderous, grim, and at each other's throats.

Synonyms Unerring, impeccable, flawless, assured, true, accurate, exact, on target, inch-perfect, bang on, unfailing, perfect, faultless, sure, precise, correct, direct, on the mark, and spot on.

Synonyms Completely, totally, perfectly, wholly, beyond, dead, in every way, in all respects, every inch, to the core, great, extreme, immoderate, absolutely, utterly, entirely, fully, quite, thoroughly, in every respect, one hundred per cent, to the hilt, intense, marked, excessive, and inordinate.

Synonyms Boring, dull as ditchwater, uninteresting, uneventful, unstimulating, lacklustre, dry as dust, flat, monotonous, lacking variety, tedious, tiring, irksome, frustrating, soul-destroying, not up to much, samey, ornery, dull, dreary, unexciting, uninspiring, humdrum, dry, arid, bland, unrelieved, lacking variation, tiresome, wearisome, trying, mind-numbing, no great shakes, nothing to write home about, and dullsville.

Synonyms Deathly, ashen, white, wan, ghastly, deathlike, ghostly, pallid, and pale.