Synonyms for Weak

Synonyms starting with letter I

• infirm

  change, health, cowardly
• impotent

  ability, cowardly, feeble
• ineffectual

  ineffective, ability, cowardly
• irresolute

  cowardly, character trait, faint-hearted
• ineffective

  inadequate, impotent, irresolute
• inadequate

  ability, impotent, thin and weak
• insecure

  change, character trait, cowardly
• inept

  ineffective, irresolute, powerless
• imperfect

  defective
• insubstantial

  health, strong, fragile
• implausible

  likely, deficient, unconvincing
• indecisive

  irresolute
• incredible

  likely, implausible, deficient
• insipid

  watery, watered-down
• indistinct

  faint
• inconclusive

  characteristic, vague, deficient
• invalid

  deficient
• improbable

  likely, deficient
• incompetent
• indisposed

  unwell, infirm
• insufficient

  ineffective
• inefficient

  impotent
• incapacitated

  infirm
• ill

  unwell
• immature

  infantile, babyish
• indefensible

  exposed, without protection
• impuissant

  not strong
• incapable

  ability
• incomplete
• illogical

  characteristic, vague
• inconceivable

  likely
• insignificant
• impaired
• in poor health
• inferior
• inaudible

  faint
• inefficacious

  ineffective
• iffy
• imperceptible

  faint
• injured

  defenseless