1. unobserved - Adjective
2. unobserved - Adverb
3. unobserved - Adjective Satellite
not seen or observed
Source: WordNetmanaged to slip away unobserved Source: Internet
unseen forces at work Source: Internet
As Kondo's warships concentrated on South Dakota, Washington approached the Japanese ships unobserved and opened fire on Kirishima, smashing into the Japanese battleship repeatedly with both main and secondary battery shells, and causing fatal damage. Source: Internet
Another weakness of the VEI is that it does not take into account the power output of an eruption, which makes the VEI extremely difficult to determine with prehistoric or unobserved eruptions. Source: Internet
At this moment, Susanna re-enters unobserved, quickly realizes what's going on, and hides behind a couch (Trio: Susanna, or via, sortite – "Susanna, come out!"). Source: Internet
By a continuing process of inflation, governments can confiscate, secretly and unobserved, an important part of the wealth of their citizens. Source: Internet