- to introduce (something additional or extraneous) between other things or parts; interject; interpose; intercalate.
- to insert, estimate, or find an intermediate term in (a sequence).
- to alter (a text) by the insertion of new matter, especially deceptively or without authorization.
- to insert (new or spurious matter) in this manner.
- to make an interpolation.
- to insert or introduce (a comment, passage, etc) into (a conversation, text, etc)
- to falsify or alter (a text, manuscript, etc) by the later addition of (material, esp spurious or valueless passages)
- to make additions, interruptions, or insertions
- to estimate (a value of a function) between the values already known or determined
