obligatory
— Adjective
– English
～ required by obligation or compulsion or convention; "he made all the obligatory apologies"
obligatory
— Adjective
– English
～ morally or legally constraining or binding; "attendance is obligatory"; "an obligatory contribution"
obliged
— Adjective
– English
～ under a moral obligation to do something
obliging
— Adjective
– English
～ showing a cheerful willingness to do favors for others; "to close one's eyes like a complaisant husband whose wife has taken a lover"; "the obliging waiter was in no hurry for us to leave"
oblique-angled
— Adjective
– English
～ having oblique angles
oblique
— Adjective
– English
～ indirect in departing from the accepted or proper way; misleading; "used devious means to achieve success"; "gave oblique answers to direct questions"; "oblique political maneuvers"
oblique
— Adjective
– English
～ slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled; "the oblique rays of the winter sun"; "acute and obtuse angles are oblique angles"; "the axis of an oblique cone is not perpendicular to its base"
obliterable
— Adjective
– English
～ able to be obliterated completely
obliterate
— Adjective
– English
～ reduced to nothingness
obliterated
— Adjective
– English
～ reduced to nothingness
oblivious
— Adjective
– English
～ (followed by `to' or `of') lacking conscious awareness of; "oblivious of the mounting pressures for political reform"; "oblivious to the risks she ran"; "not unmindful of the heavy responsibility"
oblivious
— Adjective
– English
～ failing to keep in mind; "forgetful of her responsibilities"; "oblivious old age"
oblong
— Adjective
– English
～ (of a leaf shape) having a somewhat elongated form with approximately parallel sides
oblong
— Adjective
– English
～ deviating from a square or circle or sphere by being elongated in one direction
obnoxious
— Adjective
– English
～ causing disapproval or protest; "a vulgar and objectionable person"
obovate
— Adjective
– English
～ (of a leaf shape) egg-shaped with the narrower end at the base
obscene
— Adjective
– English
～ designed to incite to indecency or lust; "the dance often becomes flagrantly obscene"-Margaret Mead
obscene
— Adjective
– English
～ suggestive of or tending to moral looseness; "lewd pictures"; "an indecent gesture"; "obscene telephone calls"; "salacious limericks"
obscene
— Adjective
– English
～ offensive to the mind; "an abhorrent deed"; "the obscene massacre at Wounded Knee"; "morally repugnant customs"; "repulsive behavior"; "the most repulsive character in recent novels"
obscure
— Adjective
– English
～ marked by difficulty of style or expression; "much that was dark is now quite clear to me"; "those who do not appreciate Kafka's work say his style is obscure"