trim
v.v. to cut a small amount off something to make it look neat or to fit better. You might do this to your hair, a plant, or a budget.
v. to remove excess material or reduce the size of something by cutting, especially to improve its appearance or efficiency. Often used metaphorically in business contexts regarding costs or staff.
I need to trim the hedges in the garden today.
The barber suggested I trim my beard slightly to keep it looking professional for the interview.
The department was instructed to trim its annual expenditure by ten percent without compromising the quality of essential public services or reducing the current headcount.
From Middle English trimen, trymen, trümen, from Old English trymman (“to make firm; strengthen”), from Proto-West Germanic trummjan, from Proto-Germanic trumjaną (“to make fast; strengthen”), from Proto-Germanic *trumaz (“firm; strong; sound”).
The verb is transitive and requires a direct object.
I trimmed my hair shortI had my hair trimmedIn the context of haircuts, learners often use the active voice when they should use the causative 'have something done' to show a professional did the work.