Definition: having or covered with protective barbs or quills or spines or thorns or setae etc.
Usage: a horse with a short bristly mane; bristly shrubs; burred fruits; setaceous whiskers
Similar words: armed
Definition: (used of plants and animals) furnished with bristles and thorns
Definition: bristling with perplexities
Usage: the thorny question of states' rights
Definition: not easy; requiring great physical or mental effort to accomplish or comprehend or endure
Usage: a difficult task; nesting places on the cliffs are difficult of access; difficult times; why is it so hard for you to keep a secret?