say it: UHN-dur-toh
undertow is a noun meaning "an inclination contrary to the strongest or prevailing feeling". It carries 2 recorded senses.
an inclination contrary to the strongest or prevailing feeling
“his account had a poignant undertow of regret”
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 undertow 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.