the spirit of contrariness, opposite, contrary, against, contradictory

be opposed (to), be antagonistic

extremely obstinate, stubborn

headstrong, stubborn, obstinate, intractable, adamant, obdurate, intractable

be persistent or stubborn, insist (upon)

(geology) mountainous, sloping in opposite directions

to be or become possessed of a spirit of opposition, to be persistent, to insist (on), to be or become obstinate

anti-religious, anti-religion

obdurate (female)

antinodes

to be opposed (to), contradict, to persist, to persevere, to insist

two things that are totally opposed to each other, opposites

anticlockwise

to harbour a spirit of opposition (to), to harbour spite or resentment (towards), to be persistent or pertinacious, to importune

to yield to the wishes or whims, indulge, pamper, spoil

to be possessed with an obsession

maintain, hang back, trample on

to be extremely stubborn

stubbornness

stubbornness, persistence, obduracy

making tantrums, stubbornness

stubbornness, persistence, obduracy, obstinacy

quarrel, dispute, argumentation, altercation

antibiotic

antibiotic

to insist upon, persist, be stubborn

quarrel, dispute

antibodies

(botany) oval-shaped but round and broad at the top, like wild almonds

anti-bacteria

persistent, obstinate