extension
WordReference English Thesaurus © 2025
Sense: Noun: act of extending
Synonyms:
lengthening, elongation, enlargement, prolonging, prolongation, augmentation, expansion Collocations, increase Collocations, protraction, dragging-out
Sense: Noun: something added
Synonyms:
annex Collocations, annexe , addition Collocations, add-on, supplement Collocations, attachment Collocations, addendum, appendix Collocations
Sense: Noun: extra time
Synonyms:
extra time, more time, additional time, postponement, deferral, delay Collocations, injury time, stoppage time , homework extension