The word 'most augmenting' refers to something that intensifies, increases or enhances in a significant manner. However, its antonyms describe words that have the opposite meaning. Some examples of antonyms for 'most augmenting' include words such as 'reducing', 'decreasing', 'diminishing', 'lessening', 'weakening', 'subduing' among others. These words describe an action that results in the reduction or decrease of something. In contrast to 'most augmenting', they denote a situation where there is either a reduction in quantity or intensity. Such antonyms come in handy when trying to differentiate between things that increase and things that decrease.