inferior (n.)
- adherent
 - assistant
 - attendant
 - auxiliary
 - average
 - bad
 - base
 - black
 - bootlicker
 - client
 - cog
 - common
 - commonality
 - commonalty
 - creature
 - criminal
 - dependent
 - deputy
 - dinky
 - disciple
 - doormat
 - down
 - employee
 - evil
 - fair
 - feudatory
 - flunky
 - follower
 - gimcrack
 - good-for-nothing
 - hack
 - hanger-on
 - heeler
 - helper
 - henchman
 - hireling
 - ill
 - imperfect
 - incompetent
 - inessential
 - invalid
 - irregular
 - junior
 - junky
 - lackey
 - lacking
 - less
 - liege
 - lightweight
 - little
 - lousy
 - low
 - lower
 - masses
 - mean
 - menial
 - middling
 - minion
 - minor
 - minus
 - minute
 - myrmidon
 - no-account
 - nonessential
 - ordinary
 - pawn
 - peon
 - poor
 - punk
 - retainer
 - satellite
 - satrap
 - scrub
 - secondary
 - serf
 - servant
 - shoddy
 - short
 - sinful
 - sinister
 - slave
 - small
 - stooge
 - sub
 - subaltern
 - subject
 - subordinate
 - sycophant
 - technical
 - tributary
 - under
 - underling
 - vassal
 - wrong
 - yeoman
 - yes-man
 
inferior (adj.)
- adherent
 - assistant
 - attendant
 - auxiliary
 - average
 - bad
 - base
 - black
 - cheap
 - cheesy
 - coarse
 - common
 - crappy
 - criminal
 - crummy
 - defective
 - deficient
 - demeaning
 - dependent
 - dinky
 - disadvantaged
 - dispensable
 - down
 - earlier
 - evil
 - fair
 - feudal
 - feudatory
 - gimcrack
 - good-for-nothing
 - hack
 - humble
 - ill
 - immaterial
 - imperfect
 - improper
 - inaccurate
 - inadequate
 - inappreciable
 - inauspicious
 - incapable
 - incompetent
 - inconsequential
 - inconsiderable
 - indifferent
 - ineffective
 - inefficient
 - inept
 - inessential
 - inexpedient
 - insignificant
 - insufficient
 - invalid
 - irregular
 - irrelevant
 - junior
 - lacking
 - less
 - lesser
 - liege
 - lightweight
 - little
 - lousy
 - low
 - low-class
 - low-grade
 - lowest
 - lowly
 - malevolent
 - marginal
 - mean
 - mediocre
 - menial
 - middling
 - minor
 - minus
 - minute
 - modest
 - negligible
 - nether
 - no-account
 - no-good
 - nonessential
 - ordinary
 - paltry
 - peccant
 - poor
 - punk
 - satellite
 - scrub
 - second-best
 - second-class
 - second-rate
 - secondary
 - seedy
 - servant
 - servile
 - shabby
 - shoddy
 - short
 - sinful
 - sinister
 - slave
 - sleazy
 - small
 - sorry
 - subaltern
 - subjacent
 - subject
 - subordinate
 - subservient
 - substandard
 - tacky
 - tawdry
 - technical
 - third-rate
 - tinny
 - tributary
 - unable
 - under
 - underprivileged
 - unendowed
 - unessential
 - unfavorable
 - unfit
 - unhealthy
 - unimportant
 - unimpressive
 - unkind
 - unpleasant
 - unqualified
 - unreached
 - unskillful
 - untalented
 - untoward
 - unworthy
 - valueless
 - vicious
 - vulgar
 - wanting
 - wicked
 - worthless
 - wretched
 - wrong