supercautious
adjective
su·per·cau·tious ˌsü-pər-ˈkȯ-shəs 
: extremely cautious
a supercautious driver
The youngish scientists represented here …. are supercautious about supercolliders—they know how easily data can be misinterpreted, how the lust for Nobel Prizes can derange good science.
Peter Rainer
Peter Rainer
Word History
First Known Use
1808, in the meaning defined above
- rattlesnake pilot
- rattlesnake plantain
- rattlesnake root
- rattlesnake violet
- rattlesnake weed
- rattlesnake-bite
- rattlesnakes
- rattletops
- rattletrap
- rattletraps
- rattlety-bang
- rattleweed
- rattlier
- rattliest
- rattling
- rattling around
- rattling off
- rattling on
- rattling through
- rattlingly
- rattlings
- rattly
- ratton
- rattons
- rattooned