Synset:baleful forbidding menacing minacious minatory sinister threatening
Examples:
- a baleful look
- forbidding thunderclouds
- his tone became menacing
- ominous rumblings of discontent
- sinister storm clouds
- a sinister smile
- his threatening behavior
- ugly black clouds
- the situation became ugly
Antonyms:unalarming
Derivationally Related Form:balefulnessomen
Inherited Hypernyms:baleful
Similar to:alarming