Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
appeaser is a noun meaning "someone who tries to bring peace by acceding to demands". It carries one recorded sense.
someone who tries to bring peace by acceding to demands
“An appeaser is one who feeds a crocodile--hoping it will eat him last”
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 appeaser come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.