자재 [自在] unrestrictedness; freedom. ☞ 자유 자재 ~로 [마음대로] at will / [자유로이] freely / [쉽사리] with (perfect) ease. 신축 ~이다 be capable of expansion and contraction / be elastic. ~하다 free; unrestricted.▷ 자재화 [-畵] a freehand drawing.자재 [資材]+모두 보이기... materials. 건축 ~ building[construction] materials. 포장 ~ packing materials.▷ 자재난 (a) shortage of materials; material shortage.▷ 자재부 a materials department.