Nervy
Part of speech: adjective
Definition: Having nerve; bold; brazen. Feeling nervous, anxious or agitated.
Brash
Part of speech: noun
Definition: Leaf litter of small leaves and little twigs as found under a hedge.
Part of speech: adjective
Definition: impetuous or rashinsensitive or tactlessimpudent or shameless
Example sentence: You're obviously conscious of being brash or big-headed but I always knew I was going to be a footballer when I was seven or eight. I didn't just think I wanted to be one, I knew I was going to be one. Nothing ever surprised me really.