semiperfect

Meaning

1. adjective Approaching perfection; not entirely perfect.
2. adjective Of a ring over which every finitely generated left module has a projective cover.
3. adjective Of an integer equal to the sum of all or some of its proper divisors.

Similar words

nonperfect imperfected unperfected subperfect unperfect imperfect impeccable indefective unfull imperf

Often followed by

gas