Definition of "obliterate" in English

verb

To destroy (someone or something) completely, leaving no trace; to annihilate, to wipe out.
To hide (something) by covering it; to conceal, to obscure.
- The rainclouds obliterated the sun as they swept across the sky.
To make (a drawing, text which is printed or written, etc.) indecipherable, either by erasing or obscuring it; to blot out, to efface, to delete.
To impair the function and/or structure of (a body cavity, vessel, etc.) by ablating or occluding it (in the latter case, chiefly by filling it with tissue).
To cancel (a postage stamp) with a postmark so it cannot be reused.
To be destroyed completely, leaving no trace.
Of a body cavity, vessel, etc.: to close up or fill with tissue; of perfusion or a pulse: to cease owing to obstruction.
- distal pulses obliterate until perfusion is restored

adjective

(except poetic) Completely destroyed or erased; effaced, obliterated.
(entomology, rare) Of markings on an insect: difficult to distinguish from the background; faint, indistinct.