THESAURUS
unwatchful
asleep, culpably negligent, derelict, goofing off, inadvertent, inattentive, incautious, laissez-faire, lax, loose, napping, neglectful, neglecting, negligent, nodding, noninterfering, nonrestrictive, off-guard, overly permissive, permissive, procrastinating, relaxed, remiss, scamping, skimping, slack, sleeping, slighting, slurring, unalert, uncautious, uncircumspect, unguarded, unprepared, unready, unrigorous, unvigilant, unwary
ROGET THESAURUS
unwatchful
Neglect
N
neglect, carelessness, trifling, negligence, omission, oversight, laches, default, supineness, inattention, nonchalance, imprudence, recklessness, slovenliness improvidence, noncompletion, inexactness, paralipsis, paralepsis, paraleipsis (in rhetoric), trifler, waiter on Providence, Micawber, neglecting, unmindful, negligent, neglectful, heedless, careless, thoughtless, perfunctory, remiss, feebleness, inconsiderate, uncircumspect, incircumspect, off one's guard, unwary,
unwatchful, unguarded, offhand, supine, inattentive, insouciant, imprudent, reckless, slovenly inexact, improvident, neglected, unheeded, uncared-for, unperceived, unseen, unobserved, unnoticed, unnoted, unmarked, unattended to, unthought of, unregarded, unremarked, unmissed, shunted, shelved, unexamined, unstudied, unsearched, unscanned, unweighed, unsifted, unexplored, abandoned, buried in a napkin, hid under a bushel, negligently, hand over head, anyhow, in an unguarded moment, per incuriam, Int, never mind, no matter, let it pass, out of sight, out of mind.