— unaccustomedness , n.
/un'euh kus"teuhmd/ , adj.
1. not accustomed or habituated: to be unaccustomed to hardships.
2. unusual; unfamiliar: A brief after-dinner speech is an unaccustomed pleasure.
[ 1520-30; UN- 1 + ACCUSTOMED ]
Syn. 2. uncommon, extraordinary, curious, peculiar, unexpected.