v. 1
To reduce slightly; to cut; especially, to remove excess.
The hedge needs to be trimmed.
v. 2
To decorate or adorn; especially of a Christmas tree.
They traditionally trim the tree on Christmas Eve.
adj. 1
Physically fit.
He goes jogging every day to keep in trim.
n. 1
Decoration; especially, decoration placed along edges or borders.
Paint the house white with blue trim.

Related words

Forms

Plural: trims → cut-offs, sub-models, clippings, conditions…
Past participle: trimmed
e.g. trimmed → drest, ornamented, fitted, garnished…

or Trim?

Trim denotes a certain shapely and elegant firmness, often with suppleness and grace; as, a trim suit; a trim figure.

J. C. Fernald, English Synonyms and Antonyms (1914)

Use in printed books, per decade from 1850 to 2019.

3 letters: cut¹, fit¹, nip¹, lop¹
4 letters: nice¹, gear¹, thin¹, deck¹, clip¹, crop¹, dock¹, neat¹, tidy², smug¹, snug¹, snip¹, pare¹, gimp
5 letters: state¹, order², dress¹, smart¹, tight¹, plain¹, spare¹, array², skirt¹, shave¹, shear¹, adorn², prune¹, natty²
6 letters: reduce², adjust², spruce¹, dapper², bedeck²
7 letters: balance², prepare², compact², arrange², shorten², orderly³, garnish², curtail², bedizen³
8 letters: attitude³, tailored², decorate³, ornament³, clipping², compress², beautify³, truncate², retrench², emblazon³, prettify, trimwork, trimness
9 letters: condition³, reprimand³, embellish³, shipshape², temporize³, temporise
13 letters: passementerie

The small number after each word is its number of syllables (tidy² = 2 syllables).