1. people who leave out or exclude something
Usage: plural of omitter

Examples

• The omitters of key details made the report incomplete.
• As habitual omitters, they often forgot to mention important facts.
• The editors were careful not to be omitters of crucial information.
• These omitters consistently left out the most relevant data.
• The omitters in the group failed to include several team members.
• Being omitters by nature, they rarely provided complete answers.