adjective happening freely or done by impulse; not forced.She reacted to news of the disaster with spontaneous generosity.His smile in the photograph doesn’t appear spontaneous.The anti-government demonstration had not been planned, but,…
skim
transitive verb to remove (something) from the surface of a liquid, or to clear the surface of (a liquid) by removing fat or other floating matter.She skimmed fat from the soupHe skimmed…
loiter
verb to stand around idly.Teenagers loitered outside the movie theater. See the full entry
incontrovertible
adjective not able to be questioned or disputed.The police didn’t have a strong case against their suspect until they found some incontrovertible evidence. See the full entry
concussion
noun a violent shaking or heavy blow; shock.The concussion of the earthquake cracked the sidewalk. See the full entry