- carefully, because you think there may be a danger or problem or you do not trust somebody/something synonym cautiously (1)
- The cat eyed him warily.
Idioms
tread carefully, warily, etc.
- to be very careful about what you do or say
- The government will have to tread very carefully in handling this issue.
- We must tread warily —we don't want to offend anyone.
Check pronunciation:
warily