Synonyms for Up to it:

• adj.

  •able (adjective)
  • facile,
  • know the ropes,
  • prepared,
  • dexterous,
  • efficient,
  • skilled,
  • qualified,
  • learned,
  • au fait,
  • skillful,
  • expert,
  • artful,
  • brilliant,
  • masterful,
  • accomplished,
  • agile,
  • intelligent,
  • gifted,
  • effective,
  • deft,
  • talented,
  • clever,
  • experienced,
  • with it,
  • practiced,
  • proficient,
  • sharp,
  • responsible,
  • trained,
  • adroit,
  • effectual,
  • ingenious,
  • keen,
  • masterly.
  •capable (adjective)
  • green thumb,
  • on the ball,
  • suited,
  • knowing the ropes,
  • old-timer,
  • adept,
  • adapted,
  • up,
  • adequate,
  • old hand,
  • dynamite,
  • Fitted,
  • apt,
  • good,
  • proper.
  •competent (adjective)
  • enough,
  • suitable,
  • sufficient,
  • endowed,
  • appropriate,
  • crisp,
  • satisfactory,
  • decent,
  • wicked,
  • polished,
  • complete,
  • equal,
  • fit,
  • fool.

• n.

  •capacity (noun)
  • faculty,
  • strength,
  • power,
  • stature,
  • inclination,
  • Brains,
  • might,
  • readiness,
  • aptitude,
  • qualification,
  • competence,
  • cleverness,
  • knack,
  • intelligence,
  • bent,
  • efficiency,
  • skill,
  • compass,
  • talent,
  • capability,
  • adequacy,
  • aptness,
  • gift,
  • caliber,
  • genius.

• Other synonyms:

  •adj.
  • pertinent,
  • powerful,
  • savvy,
  • smart,
  • veteran,
  • more intelligent,
  • no slouch,
  • able,
  • capable,
  • competent,
  • equal to,
  • fireball,
  • know the score,
  • oldtimer,
  • there,
  • knowing the score,
  • all around,
  • being a pistol,
  • fooler,
  • has what it takes,
  • having know-how,
  • having the goods,
  • having the right stuff,
  • know backwards and forwards,
  • know ins and outs,
  • know one's business,
  • know one's onions,
  • know one's stuff,
  • know stuff,
  • know the answers,
  • like a one-man band,
  • like a pistol,
  • paid one's dues,
  • up to snuff,
  • up to speed.
  •n.
  • capacity,
  • facility,
  • forte,
  • what it takes,
  • the goods.

Antonyms for Up to it:

• adj.

  • able
    incompetent, ignorant, idiotic, ineffective, stupid, infirm, useless, incapable, impotent, dull, inept, feeble, delicate, powerless, unable, unintelligent, weak.
  • capable
    inexperienced, unskillful, unqualified, unskilled, green, inefficient, untalented, inadequate, clumsy, unsuitable.
  • competent
    insufficient.

• n.

  • capacity
    incapacity, incompetence, ignorance, lack, inability, weakness, impotence, inaptitude, ineptness, stupidity, incapability, inefficiency.