a.
1.
Uncertain, not sure, risky.
2.
Uncertain, not confident.
3.
Unsafe, unprotected, ill-protected, exposed, exposed to risk or danger, in danger.
4.
Dangerous, hazardous, perilous.
5.
Unstable, infirm, weak, shaking, tottering.
a.
1.
Uncertain, not sure, risky.
2.
Uncertain, not confident.
3.
Unsafe, unprotected, ill-protected, exposed, exposed to risk or danger, in danger.
4.
Dangerous, hazardous, perilous.
5.
Unstable, infirm, weak, shaking, tottering.
Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012