Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
second-guess is a verb meaning "attempt to anticipate or predict". It carries 2 recorded senses.
evaluate or criticize with hindsight
Definitions, synonyms and semantic relations for second-guess come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.