Ant. Sagacity, soundness, wisdom, sanity, clear-sightedness.

Infection. Contagion; contamination, taint, bane, pest, poison, corruption, defilement, vitiation, pollution.

Ant. Purification, disinfection, antidote, antisepsis.

Infectious. Contagious, catching, pestilential, pestiferous; contaminating, corrupting, defiling, polluting, poisoning, vitiating.

Ant. Wholesome, sanative, beneficial, antiseptic.

Infer. Deduce, conclude, gather, collect, consider probable; derive, argue.

Ant. State, enunciate, assume, guess, conjecture, propound, anticipate, prognosticate.

Inference. Conclusion, deduction, corollary, consequence; generalization, induction.

Ant. Statement, proposition, enunciation.

Inferiority. Subordination; deficiency, imperfection, minority, poverty, subjection, servitude, depression; mediocrity.