suggest as a logically necessary consequence; in logic
"If all humans are mortal and Socrates is human, then it necessarily implies that Socrates is mortal."
suggest that someone is guilty
"The judge's stern glare implied that he was already convinced of the defendant's guilt before the trial even began."
to have as a necessary consequence
"The high temperature implies that the roads will be too slippery for safe driving."
In plain English: To imply something is to suggest it without saying it directly out loud.
"The coach did not say anything harsh, but his tone implied that we had lost our confidence."
The word "imply" comes from the Latin verb implicare, which meant "to infold" or "involve." It entered English via Old French, combining the prefix in- meaning "in" with plicare meaning "to fold."