1. (adjective) involving or causing danger or risk; liable to hurt or harm

• unsafe

2. (adjective) causing fear or anxiety by threatening great harm

• grave
• grievous
• life-threatening
• serious
• severe

1. (adjective) involving or causing danger or risk; liable to hurt or harm

• breakneck
• chanceful
• chancy
• dicey
• dodgy
• desperate
• hazardous
• risky
• wild
• insidious
• mordacious
• on the hook
• parlous
• perilous
• precarious
• touch-and-go
• self-destructive
• suicidal
• treacherous
• unreliable

2. (adjective) causing fear or anxiety by threatening great harm

• critical

1. (adjective) involving or causing danger or risk; liable to hurt or harm

• insecure
• unsafe
• vulnerable

1. (adjective) involving or causing danger or risk; liable to hurt or harm

• danger
• danger
• dangerousness

2. (adjective) causing fear or anxiety by threatening great harm

• badness
• severeness
• severity
• dangerousness
• distressfulness
• seriousness

1. (adjective) involving or causing danger or risk; liable to hurt or harm

• safe