11-letter words containing a, y, o
- not exactly — not at all; by no means
- not really? — an exclamation of surprise or polite doubt
- notionality — The state or property of being notional.
- nuncupatory — Nuncupative; oral rather than written.
- nyctanthous — (of plants) flowering at night
- nyctophobia — an abnormal fear of night or darkness.
- nymphomania — abnormally excessive and uncontrollable sexual desire in women.
- nyu omnifax — Early system on UNIVAC I or II. Listed in CACM 2(5):16 (May 1959).
- obfuscatory — to confuse, bewilder, or stupefy.
- objurgatory — to reproach or denounce vehemently; upbraid harshly; berate sharply.
- observantly — quick to notice or perceive; alert.
- observatory — a place or building equipped and used for making observations of astronomical, meteorological, or other natural phenomena, especially a place equipped with a powerful telescope for observing the planets and stars.
- obsignatory — (obsolete) Ratifying; confirming by sealing.
- obstinately — firmly or stubbornly adhering to one's purpose, opinion, etc.; not yielding to argument, persuasion, or entreaty.
- occipitally — from an occipital point of view
- octagonally — In an octagonal manner.
- octahydrate — (chemistry) A hydrate whose solid contains eight molecules of water of crystallization per molecule, or per unit cell.
- octal forty — (jargon) Jargon for "I'm drawing a blank.", I can't work it out.
- odonatology — the study of insects, such as dragonflies, that belong to the zoological group Odonata
- odontopathy — (pathology) Any disease that affects the teeth.
- odynophagia — Severe pain in mouth or esophagus when attempting to swallow.
- offhandedly — cavalierly, curtly, or brusquely: to reply offhand.
- olfactology — the medical science which studies the sense of smell
- olfactorily — of or relating to the sense of smell: olfactory organs.
- on stand-by — in a state of readiness for action or use
- oneirically — In an oneiric fashion.
- oneirodynia — restless, disturbed sleep, characterized by nightmares and sleepwalking
- oneiromancy — divination through dreams.
- onion gravy — a type of gravy made with onions and stock and usually served with meat
- onomatology — onomastics.
- onychomancy — a form of divination through use of the fingernails
- onychophagy — the habit of biting one's fingernails
- onyx marble — Mexican onyx.
- oologically — From the perspective of scientific study of eggs or of a collector of eggs.
- openability — The quality of being openable.
- operability — that can be treated by a surgical operation. Compare inoperable (def 2).
- operatively — a person engaged, employed, or skilled in some branch of work, especially productive or industrial work; worker.
- operativity — a person engaged, employed, or skilled in some branch of work, especially productive or industrial work; worker.
- opthamology — Misspelling of ophthalmology.
- optionality — left to one's choice; not required or mandatory: Formal dress is optional.
- or anything — You can add or anything to the end of a clause or sentence in order to refer vaguely to other things that are or may be similar to what has just been mentioned.
- oracularity — Oracular speech or behaviour.
- oraculously — in an oraculous manner
- oral cavity — inside of the mouth
- orange lily — a bulbous lily, Lilium bulbiferum, of the mountainous regions of southern Europe, having erect, crimson-spotted, orange flowers.
- orbicularly — In an orbicular fashion.
- organically — in an organic manner.
- orientality — the state of being oriental
- originality — the quality or state of being original.
- orthography — the art of writing words with the proper letters, according to accepted usage; correct spelling.