obliterate

To destroy (someone or something) completely, leaving no trace; to annihilate, to wipe out.transitive

• [H]e [Pope Gregory I] deſigned to obliterate and extinguiſh the memorie of Heathen antiquitie and Authors.
• This opinion ſeemeth to me, to leave very little or no place for the Chriſtian Religion. For […] It obliterateth the notion of Gods Holineſs, vvhich to be no Holineſs, but a common or indifferent thing.

To hide (something) by covering it; to conceal, to obscure.transitive

• 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.alsofigurativelytransitive

• [A]s one foule blot or daſh vvith a pen defaceth a vvhole vvriting, ſo one foule and enormous crime daſheth and obliterateth the faireſt copy of a vertuous life.
• As vvhen a name lodg'd in the memory, / But yet through time almoſt obliterate, / Confuſely hovers near the phantaſie: / The man that's thus affected bids relate / A catologue of names.

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).transitive

• The pleural sac was obliterated by firm fibrous adhesions over the right upper lobe.

To cancel (a postage stamp) with a postmark so it cannot be reused.transitive

To be destroyed completely, leaving no trace.intransitive

Of a body cavity, vessel, etc.: to close up or fill with tissue; of perfusion or a pulse: to cease owing to obstruction.intransitive

• distal pulses obliterate until perfusion is restored

Completely destroyed or erased; effaced, obliterated.obsolete

• It may maintain a bright conjecture, againſt a ruſty Truth: a legible poſſeſſion, againſt an obliterate Claime: […]
• And they being in a capacity to forget by reaſon of deſuetude, it vvill be a nevv pleaſure to them to recall to minde their almoſt obliterate ſpeculations.

Of markings on an insect: difficult to distinguish from the background; faint, indistinct.obsoleterare