Syllable division and stress derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
form-only is an adjective meaning "being a matter of form only; lacking substance". It carries one recorded sense.
being a matter of form only; lacking substance
“a form-only requirement that is usually ignored”
Definitions, synonyms and semantic relations for form-only come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.