say it: SHIM-ur
shimmer is a verb and noun meaning "shine with a weak or fitful light". It is pronounced /ˈʃɪmɚ/ — SHIM-ur. It carries 3 recorded senses.
give off a shimmering reflection, as of silk
a weak and tremulous light
“the shimmer of colors on iridescent feathers”
“the play of light on the water”
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 shimmer 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.