substitute /subˈsti-tūt/

1. One put in place of another
2. A thing used instead of another
3. A deputy
4. A proxy (Shakespeare)
5. An heir (law)
6. A person entitled to receive a hereditary peerage if no male heir is produced

1. To use instead of, or put in place of, another (often with for)
2. To appoint as deputy
3. To nominate in remainder

To act as substitute

substitˈuent noun

Something that may be, or is, substituted, esp one atom or radical replacing another in a molecule (also adjective)

substitūtabilˈity noun

substitūˈtable adjective

subˈstituted adjective

substitūˈtion noun

1. The act of substituting
2. The condition of being a substitute
3. The substituting of one atom or radical for another without breaking up the molecule (chem)
4. The replacement of one idea by another, as a form of defence mechanism (psychiatry)
5. The replacement of one kind of metrical foot by another, eg for emphasis (prosody)
6. A rule of inference in which an expression replaces a variable throughout a theorem (mathematics)
7. Delegation (Shakespeare)

substitūˈtional or substitūˈtionary adjective

substitūˈtionally adverb

subˈstitūtive adjective

• unsatisfactorily
• unsatisfactoriness
• unsatisfactory
• unsatisfiable
• unsatisfied
• unsatisfiedness
• unsatisfiednesses
• unsatisfying
• unsatisfyingness
• unsaturated
• unsaturated fat
• unsaturation
• unsaved
• unsavourily
• unsavouriness
• unsavourinesses
• unsavoury
• unsay
• unsayable
• unsaying
• unsays
• unscabbard
• unscabbarded
• unscabbarding
• unscabbards