on grounds that (conjuction, preposition) because: on account of
Sinonime: careless, chance,
feckless,
heedless, irreflective,
negligent, not on purpose,
reckless,
thoughtless,
uncaring,
unconcerned, undesigned, undevised, unheeding, unintended,
unintentional, unmindful, unplanned, unpremeditated, unthinking, unthought, unwitting
Antonime: advertent,
attentive,
deliberate,
intentional,
planned