Adverb
irrecoverably (comparative more irrecoverably, superlative most irrecoverably)
In an irrecoverable manner; beyond recovery.
The principles of a free constitution are irrecoverably lost, when the legislative power is nominated by the executive. Edward Gibbon
We lay aside letters never to read them again, and at last we destroy them out discretion, and so disappears the most immediate breath of life, irrecoverably for ourselves and for others. Johann Wolfgang von Goethe
In Carnot's theory, lost heat was absolutely lost but Thomson contended that it was "lost to man irrecoverably; but not lost in the material world". Source: Internet
Volume VIII, p. 432. For more than a year prior to his death, Burke knew that his 'stomach' was "irrecoverably ruind". Source: Internet
The myth of the lost poem tells how an inspired work was mysteriously given to the poet and dispelled irrecoverably." Source: Internet