The term 'trim down' is often used to describe the act of decreasing, reducing, paring, slimming, or lessening something. It is a phrase that is commonly used in many different contexts, from dieting to cutting back on expenses. Each of the crossword solutions for the term 'trim down' are related to this concept, with 'DECREASE' (8 letters), 'REDUCE' (6 letters), 'PARE' (4 letters), 'SLIM' (4 letters), and 'LESSEN' (6 letters) all being synonyms for the phrase.