say it: FAW-lawf
falloff is a noun meaning "a noticeable deterioration in performance or quality". It carries one recorded sense.
a noticeable deterioration in performance or quality
“the team went into a slump”
“a gradual slack in output”
“a drop-off in attendance”
“a falloff in quality”
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 falloff 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.