The word "overwhelm" imply a feeling of being completely overcome or defeated. However, there are numerous synonyms for this word that can help to add variety to your writing or communication. Some synonyms for "more overwhelm" include "burden", "crush", "oppress", "submerge", "suffocate", "swamp", "flood", "dominate", "overtake", "inundate", "devastate", "annihilate", "preoccupy", "consume", and "engulf". Using synonyms for "overwhelm" can help to add intensity or depth to the meaning of your message while keeping your writing fresh and engaging.