Synonyms for Oldtimer:

• adj.

  •capable (adjective)
  • up to snuff,
  • has what it takes,
  • au fait,
  • knowing the ropes,
  • having the goods,
  • experienced,
  • up to speed,
  • talented,
  • like a one-man band,
  • proper,
  • able,
  • up,
  • proficient,
  • qualified,
  • there,
  • adequate,
  • adept,
  • on the ball,
  • adapted,
  • accomplished,
  • intelligent,
  • up to it,
  • good,
  • Fitted,
  • masterly,
  • having the right stuff,
  • fireball,
  • dynamite,
  • efficient,
  • clever,
  • skillful,
  • apt,
  • knowing the score,
  • competent,
  • green thumb,
  • having know-how,
  • suited,
  • gifted,
  • like a pistol,
  • old-timer.

• n.

  •antique (noun)
  • antique.
  •gaffer (noun)
  • gaffer.
  •mossback (noun)
  • mossback.
  •old-timer (noun)
  • old dog,
  • veteran,
  • war-horse,
  • fossil,
  • old hand,
  • golden-ager,
  • geezer,
  • gramps,
  • senior.
  •old geezer (noun)
  • old geezer.
  •old hand (noun)
  • person experienced in something,
  • old stager,
  • old guard,
  • warhorse,
  • pro,
  • old school,
  • longtimer.
  •oldster (noun)
  • golden ager.
  •oldtimer (noun)
  • stager.
  •Other relevant words: (noun)
  • old man,
  • graybeard,
  • methuselah,
  • expert,
  • greybeard.
  •senior (noun)
  • elderly person,
  • doyenne,
  • pensioner,
  • grandmother,
  • retired person,
  • oldster,
  • patriarch,
  • elder,
  • grandfather,
  • matriarch,
  • senior citizen,
  • ancient,
  • doyen,
  • old folk,
  • head,
  • first-born.
  •senior citizen (noun)
  • old-age pensioner,
  • OAP,
  • retiree,
  • old fogey,
  • geriatric,
  • old person.
  •veteran (noun)
  • shellback,
  • old salt,
  • old pro,
  • gi,
  • trouper.

• Other synonyms:

  •Other relevant words (noun):
  • old soldier,
  • longhorn,
  • vet,
  • boss,
  • foreman,
  • sourdough,
  • chief,
  • ex-serviceman,
  • honcho.

Antonyms for Oldtimer:

• adj.

  • capable
    stupid, inept, impotent, incapable, ineffective, unsuitable, clumsy, green, unintelligent, powerless, ignorant, weak, unskillful, unable, inadequate, unskilled, unqualified, useless, untalented, inexperienced, incompetent, inefficient.

• n.

  • old hand
    rookie, amateur, greenhorn.
  • senior
    younger, inferior, junior.