UNPREPARED
ADJECTIVES
1685 ► UNDIGHTED unprepared; undressed; undecked → Sc. & Eng. dial.
1895 ► BALDHEADED completely unprepared; utterly spontaneous → US sl.
1928 ► DAGALI badly prepared; badly done → Sc.
VERBS
1966 ► CATCH WITH ONE’S TROUSERS DOWN to be in a state of embarrassing unpreparedness → sl.
1999 ► CATCH SOMEONE ON THE WRONG FOOT to take someone unprepared or at a disadvantage (Bk.)
Lexicophilia 