The phrase "great multitude" refers to a large group of people or things gathered together in one place. It implies a large number or quantity of individuals or objects present at one time. Full definition
Although his miracles and healings and free meals had attracted great multitudes of people, He did not try to give them what he thought they wanted to hear. (redeeminggod.com)
The members of today's intense religious groups and not a few members of the larger public like to get even closer to home, rubbing texts like these into contemporary Christian consciousness: «Now great multitudes accompanied Jesus; and he turned and said to them, «If any one comes to me and does not hate his own father and mother and wife and children and brothers and sisters, yes, and even his own life, he can not be my disciple»» (Luke 14:25 f.). (religion-online.org)
Apparently assuming that Jesus was walking from one place to another, he says, «Now great multitudes accompanied him; and he turned and said to them» (14:25); then follows the saying about hating father and mother, which we have discussed with its parallel in Matthew (vv 26 - 27; Mt 10:37 - 38). (religion-online.org)