This is the 13445th most frequent Russian word.
намекнула
"Hinted" or "implied."
Here, "намекнула" is used to express that a subtle suggestion about the weather was made.
Она намекнула, что будет дождь.
She hinted that it might rain.
In this case, "намекнула" conveys a gentle indication about the status of the cake.
Мама намекнула, что торт готов.
Mom hinted that the cake is ready.
Here, "намекнул" is employed to infer that the teacher suggested a future event without direct statement.