arch

/ɑrtʃ/
adjective
  1. Deliberately playful or teasing in a way that suggests knowing more than is said; mischievous.
    • Her arch comment made everyone laugh.
    • He gave an arch smile and refused to explain.
    • The teacher's arch tone hinted that she knew the secret.
  2. Chief or principal; most important (used in compound terms like 'archbishop' or 'archrival').
    • He is my arch enemy in the chess tournament.
    • They are arch rivals in the business world.
    • The archbishop led the ceremony.
Antonyms
noun
  1. A curved structure that spans an opening and supports weight above it, as in bridges, doorways, or windows.
    • They walked through the arch into the garden.
    • The stone arch of the bridge has stood for centuries.
    • The cathedral's arches are decorated with carvings.
  2. The curved part of the bottom of the foot between the heel and the ball.
    • Flat arches can cause foot pain.
    • The runner felt a strain in her arch.
    • She has high arches, so she needs special shoes.
  3. Something shaped like a curve or an arch, such as a rainbow or a smile.
    • A rainbow formed a perfect arch across the sky.
    • Her eyebrows lifted in an arch of surprise.
    • The cat stretched its back into an arch.
Synonyms
verb
  1. To form or bend into a curved shape.
    • The cat arched its back when it saw the dog.
    • The trees arch over the path, creating a tunnel of leaves.
    • She arched her eyebrows in disbelief.
Synonyms
What does "arch" mean? | whatsthatwordmean | whatsthatwordmean