To sneak is defined as to move around or do something in a quiet or cowardly way.
To watch or observe secretly:
1590, Edmund Spenser, The Faerie Queene, III.4:
Pry is defined as to raise or move something with force, obtain something with effort or be very curious about something.
To roam about furtively, as in search of prey or loot
To pry or search
To peek furtively; steal a quick glance.
Peek is defined as to look at someone secretly or quickly.
(Obs.) To mingle; combine
Ignore is defined as to deliberately disregard, or to avoid noticing.
The definition of investigate is to look into something or someone in order to try to discover the truth or to piece together a sequence of events.
Find another word for snooping. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for snooping, like: sneaking, spying, searching, prying, prowling, poking, peeping, peeking, meddling, neglecting and ignoring.