incomplete

UK: /ˌɪnkəmˈpliːt/ US: /ˌɪnkəmˈplit/ ,(in′kəm plēt′)

WordReference Random House Learner's Dictionary of American English © 2025

in•com•plete /ˌɪnkəmˈplit/   adj. 

1. lacking some part;
   not complete.

in•com•plete•ly, adv. 
in•com•plete•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2025

in•com•plete  (in′kəm plēt′), adj. 

1. not complete;
   lacking some part.
2. Sport [Football.] (of a forward pass) not completed;
   not caught by a receiver.
3. Civil Engineering [Engin.] noting a truss the panel points of which are not entirely connected so as to form a system of triangles. Cf. complete (def. 8), redundant (def. 5c).
4. Philosophy [Logic, Philos.]
   • (of an expression or symbol) meaningful only in a specific context.
   • (of a set of axioms) such that there is at least one true proposition (able to be formulated in terms of the basic ideas of a given system) that is not deducible from the set. Cf. complete (def. 7).

n. 

5. Education a temporary grade indicating that a student has not fulfilled one or more of the essential requirements for a course:
   If I don't hand in my term paper for last semester's English course, the professor is going to change my incomplete to an F.

• Late Latin incomplētus. See in-³, complete
• Middle English 1350–1400

in′com•plete′ly, adv. 
in′com•plete′ness, n. 
Synonyms

• 1. unfinished, partial, fragmentary.

Collins Concise English Dictionary © HarperCollins Publishers::

incomplete / ˌɪnkəmˈpliːt/ adjective

1. not complete or finished
2. not completely developed; imperfect

ˌincomˈpletely adverb

ˌincomˈpleteness, ˌincomˈpletion noun