Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Engineers tested a propane cannon mounted on an automated drift boat, but it moved too slowly to scare birds.
Source: https://www.hcn.org/issues/55.4/north-birds-how-do-you-keep-migrating-birds-off-a-giant-toxic-lake