say it: TWING-kuhl
twinkle is a noun and verb meaning "a rapid change in brightness; a brief spark or flash". It carries 4 recorded senses.
a rapid change in brightness; a brief spark or flash
emit or reflect light in a flickering manner
“Does a constellation twinkle more brightly than a single star?”
celestial body
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for twinkle come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.