Father-in-law
//ˈfɑːðəɹɪnˌlɔː//
Word Forms of "father-in-law" (3 forms)
Noun
| Form | Word | |
|---|---|---|
| Alternative | father in law | |
| Colloquial, Nonstandard, Plural | father-in-laws | |
| Plural | fathers-in-law |
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.