Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
follow-through is a noun meaning "carrying some project or intention to full completion". It carries 2 recorded senses.
carrying some project or intention to full completion
“I appreciated his follow-through on his promise”
the act of carrying a stroke to its natural completion
“his follow-through was straight down the line toward the target”
“squash can be dangerous if your opponent has a long follow-through”
Definitions, synonyms and semantic relations for follow-through come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.