O — oa ob oc od oe of og oh oi ok ol om on oo op or os ot ou ov ow ox oy oz
old |əʊld| — past times (especially in the phrase `in days of old')
old-age |ˈəʊldˈeɪdʒ| — The latter part of life, the part of life after one's prime.
old-fashioned |əʊl ˈfæʃənd| — out of fashion
old-gold |ˈəʊldɡəʊld| — a brownish gold colour
old-hat |ˈəʊldhæt| — repeated too often; overfamiliar through overuse
old-maidish |əʊl ˈmeɪdɪʃ| — primly fastidious
old-time |ˈəʊl taɪm| — attractively old-fashioned (but not necessarily authentic)
old-timer |ˈəʊldˈtɑɪmər| — an experienced person who has been through many battles; someone who has given long service
old-world |ˈəʊld wɜːld| — characteristic of former times especially in Europe
olden |ˈəʊldən| — relating to time long past
older |ˈəʊldə| — advanced in years; (`aged' is pronounced as two syllables)
oldest |ˈəʊldɪst| — superlative form of old: most old
oldish |ˈəʊldɪʃ| — somewhat elderly
oldness — the opposite of youngness
oldster |ˈəʊldstər| — an elderly person
oleaginous |ˌəʊlɪˈædʒɪnəs| — unpleasantly and excessively suave or ingratiating in manner or speech
oleander |ˌəʊlɪˈændər| — an ornamental but poisonous flowering shrub having narrow evergreen leaves and clusters of fragrant white to pink or red flowers: native to East Indies but widely cultivated in warm regions
oleaster |ɒlɪˈæstə| — any of several shrubs of the genus Elaeagnus having silver-white twigs and yellow flowers followed by olivelike fruits
oleograph |ˈəʊliːəɡræf| — (art) A type of chromolithograph, using oil paint on canvas, that attempts to imitate oil painting
oleomargarine |ˌəʊliːəʊˈmɑːrdʒərɪn| — a spread made chiefly from vegetable oils and used as a substitute for butter
olericulture |ˈɑːlərəkʌltʃər| — The field of horticulture dealing with the production, storage, processing and marketing of vegetables
oleum |ˈəʊlɪəm| — (inorganic chemistry) A solution of sulfur trioxide in sulfuric acid.
olfactory |ɑːlˈfæktərɪ| — of or relating to olfaction
olibanum |ɒˈlɪbənəm| — an aromatic gum resin obtained from various Arabian or East African trees; formerly valued for worship and for embalming and fumigation
olid |ˈɒlɪd| — (rare) evil-smelling; fetid.
oligarch |ˈɑːləɡɑːrk| — one of the rulers in an oligarchy
oligarchic |ˌɑːləˈɡɑːrkɪk| — of or relating to or supporting or characteristic of an oligarchy
oligarchical — of or relating to or supporting or characteristic of an oligarchy
oligarchy |ˈɑːləɡɑːrkɪ| — a political system governed by a few people
olio |ˈəʊliːˌəʊ| — A rich, thick, Spanish stew consisting of meat and vegetables.
olivaceous |ˌɑːləˈveɪʃəs| — Having the color of a green olive.
olivary |ˈɑːlɪvəriː| — Shaped like an olive
olive |ˈɑːlɪv| — small ovoid fruit of the European olive tree; important food and source of oil
olive-branch |ˈɒlɪvbrɑːntʃ| — Used other than as an idiom: A branch of an olive tree.
olive-tree |ˈɒlɪv triː| — An evergreen tree, Olea europaea, that produces olives as fruit.
ology |ˈɑːlədʒɪ| — an informal word (abstracted from words with this ending) for some unidentified branch of knowledge
olympiad |əˈlɪmpɪæd| — one of the four-year intervals between Olympic Games; used to reckon time in ancient Greece for twelve centuries beginning in 776 BC
Olympian |əˈlɪmpɪən| — an athlete who participates in the Olympic games
Olympic |əˈlɪmpɪk| — of or relating to the Olympic Games
Olympics |əˈlɪmpɪks| — the modern revival of the ancient games held once every 4 years in a selected country
Olympus |əˈlɪmpəs| — a mountain peak in northeast Greece near the Aegean coast; believed by ancient Greeks to be the dwelling place of the gods (9,570 feet high)