electronic dictionary

convenient

not ... at all

even if ...,...cannot

very, exceedingly, awfully / (before a negative form) not at all, at all, by no means

convenience

a dictionary (publication that explains the meanings of an ordered list of words)

a letter of resignation / a formal document of abdication when one emperor steps down and a new emperor ascends the throne

(obsolete) a letter of resignation

electron / (attributive) the quality of being electronic