An "omitter" is someone or something that leaves out or excludes specific information or actions. Synonyms for this term include "excluder," "skipper," "neglector," "pruner," "elider," and "censor." Other similar words include "abstainer," "nonpartaker," "withholder," and "disregarder." Each of these synonyms highlights a particular aspect of the action of omitting, whether it is intentional or unintentional, deliberate or accidental. Regardless of which word is used, the underlying definition remains the same: an omitter is one who fails to include something that should or could have been included.