ominous

  1. presaging ill fortune

    Synonyms : ill, inauspicious
    Examples :
    • a dead and ominous silence prevailed
  2. threatening or foreshadowing evil or tragic developments

    Synonyms : baleful, forbidding, menacing, minacious, minatory, sinister, threatening
    Examples :
    • ominous rumblings of discontent

olfactory

  1. of or relating to olfaction

    Synonyms : olfactive

ogle

  1. look at with amorous intentions

    Type Of : look

officious

  1. intrusive in a meddling or offensive manner

    Synonyms : busy, busybodied, interfering, meddlesome, meddling
    Examples :
    • bustling about self-importantly making an officious nuisance of himself

odious

  1. unequivocally detestable

    Synonyms : abominable, detestable, execrable
    Examples :
    • consequences odious to those you govern

obviate

  1. prevent the occurrence of; prevent from happening

    Synonyms : avert, avoid, debar, deflect, fend off, forefend, forfend, head off, stave off, ward off
    Type Of : forestall, preclude, prevent, forbid, foreclose
  2. do away with

    Synonyms : eliminate, rid of
    Antonyms : necessitate

obtuse

  1. lacking in insight or discernment

    Synonyms : purblind
    Examples :
    • too obtuse to grasp the implications of his behavior
  2. slow to learn or understand; lacking intellectual acuity

    Synonyms : dense, dim, dull, dumb, slow
    Examples :
    • he was either normally stupid or being deliberately obtuse
  3. of an angle; between 90 and 180 degrees

    Antonyms : acute
  4. (of a leaf shape) rounded at the apex

obstreperous

  1. boisterously and noisily aggressive

    Examples :
    • kept up an obstreperous clamor
  2. noisily and stubbornly defiant

    Examples :
    • obstreperous boys

obsolete

  1. no longer in use

    Synonyms : disused
    Examples :
    • obsolete words

obsession

  1. an irrational motive for performing trivial or repetitive actions, even against your will

    Synonyms : compulsion
    Type Of : irrational motive
  2. an unhealthy and compulsive preoccupation with something or someone

    Synonyms : fixation
    Type Of : preoccupation