One entry found for extension.

Entry Word: extension
Function: noun
Text: 1 the act of making longer <the board's extension of the school year drew howls of protest>
Synonyms drawing out, elongation, lengthening, prolongation, prolonging, stretching
Antonyms abbreviation, abridgment (or abridgement), curtailment, cutback, shortening
2 a smaller structure added to a main building <the new extension will connect the house with what is now a freestanding garage> -- see ANNEX