Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb trim_back
1 sense of trim back
Sense 1
reduce, cut down, cut back, trim, trim down, trim back, cut, bring down -- (cut down on; make a reduction in; "reduce your daily fat intake"; "The employer wants to cut back health benefits")
=> decrease, lessen, minify -- (make smaller; "He decreased his staff")