Only if and Only when

Similar meaning terms

Only if adverb - Never except when.

Show all Definitions

Only when is a synonym for only if. In some cases you can use "Only when" instead an adverb phrase "Only if".

Only when adverb - Never except when.

Show all Definitions

Only if is a synonym for only when. You can use "Only if" instead an adverb phrase "Only when".

Cite this Source

Only when and Only if. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/only_if/only_when

Only if & Only when. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/only_if/only_when>.

Only when or Only if. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/only_if/only_when.

Google Ngram Viewer shows how "only if" and "only when" have occurred on timeline