unjustifiable
adjective
- not able to be justified, supported as right
Wiktionary
adj
Etymology: Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English justifiable English unjustifiable From un- + justifiable.
- That cannot be justified, excused or pardoned.
“Near-synonyms: indefensible, inexcusable, unforgivable, unjustified, unpardonable, unprovoked, unreasonable, regrettable, unacceptable, unworthy, remiss, blameworthy, culpable, unwarrantable, excessive, immoderate, unconscionable, outrageous, groundless, unfounded, foundationless, baseless, unsupported, unsubstantiated, unconfirmed, uncorroborated, invalid, untenable, weak, shaky, flawed, defective”
“From track level, its operating floor looks particularly capacious, but there is a vacant space at one end which was designed to accommodate the control panel for the Perth-Inverness C.T.C. scheme; this was adumbrated as long ago as the 1955 Modernisation Plan, but now seems to be regarded as an unjustifiable luxury.”