extension

extension

noun

Definition of EXTENSION

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>

Synonyms addition, extension, penthouse

Related Words arm, ell, wing