The dictionary tells you when to use a word:
Before delving into the specifics of the 6th edition, it is important to understand the philosophy behind the Longman brand. For decades, Longman (now part of Pearson) has been a pioneer in corpus linguistics. Unlike traditional dictionaries that might rely heavily on literary texts or historical usage, Longman dictionaries are built upon massive databases of spoken and written English. Longman Dictionary Of Contemporary English 6th Edition
Honesty is crucial. The LDOCE6 is not perfect. The dictionary tells you when to use a