deficient

equivalents

depleted

inadequate

lean

light

low

nonstandard

poor

scant

short

shy

skimpy

unequal

synonyms

adulterated

amiss

arrested

bad

base

blemished

botched

bungling

callow

clumsy

damaged

defective

defective

embryonic

erroneous

failing

fallible

faulty

flawed

found wanting

half-assed

haphazard

hit-and-miss

hit-or-miss

hypoplastic

immature

impaired

imperfect

imperfect

imprecise

impure

in arrear

in arrears

in default

in short supply

in want of

inaccurate

inadequate

inadequate

incompetent

incomplete

incomplete

inexact

infant

inferior

infrequent

injured

insufficient

insufficient

lacking

etymologically-related-terms

defect

defection

defective

defector

deficiency

deficit

same-contexts

absent

corrupt

defective

depress

distasteful

inaccurate

inadequate

inappropriate

incompetent

inconsistent

inferior

one-sided

unable

unfair

unfit

unsatisfactory

untrue

weak

rhymes

Omniscient

beneficent

coefficient

efficient

inefficient

insufficient

omniscient

proficient

self-sufficient

sufficient

antonyms

abounding

abundant

excessive

spare