Synonyms of annihilative

1 Syllable

dire

2 Syllables

wrackful, fatal, wreckful, ruinous, harmful, crippling, noxious, deadly, draining, hurtful

3 Syllables

pernicious, baleful, murderous, injurious, tumbledown, damaging, withering, exhausting, fateful, baneful, suicidal, depleting, shattering, wasteful

4 Syllables

lethiferous, cataclysmic, deleterious, extravagant, destructive, calamitous, catastrophic

5 Syllables

extirpative, immoderate, impoverishing, unfortunate

6 Syllables

eradicative