English UsageComparison guide
Consist Of vs. Consist In
Consist Of vs. Consist In separates the composition sense from the formal essential-quality sense documented in Cambridge.
Use consist of for what something is made up of; use formal consist in for what its main or necessary quality consists in.
Key details
Confusion Familyusage-construction
Rule Familyphrasal verb meaning
Termsconsist of, consist in
Further guidance
Core difference
Consist of means to be made or formed from specified parts; formal consist in means to have something as a main and necessary part or quality.
Style Boundary
Do not swap the prepositions mechanically: the Cambridge entries define different senses.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- consist of something — Cambridge English Dictionary (opens in a new tab)Cambridge University Press · Dictionary definition of consist of for composition or constituent parts
- consist in something — Cambridge English Dictionary (opens in a new tab)Cambridge University Press · Dictionary definition of consist in for a main or necessary quality/part