How to use mostly in a sentence. Mostly is an adverb that means ‘mainly’ … the story seemed to be mostly true The group is mostly teenagers, with a few younger children You use mostly to indicate that a statement is generally true, for example true about the majority of a group of things or people, true most of the time, or true in most respects. For the most most much part
See examples of mostly used in a sentence. /ˈmoʊstli/ /ˈmʌʊstli/ ipa guide definitions of mostly adverb in large part For the most part, largely Wordreference random house unabridged dictionary of american english © 2025 most•ly (mōst′ lē), adv The work is mostly done Definition of mostly adverb in oxford advanced learner's dictionary