'Yesteryear' definitions:

Definition of 'yesteryear'

(from WordNet)
noun
The time that has elapsed; "forget the past" [syn: past, past times, yesteryear] [ant: future, futurity, hereafter, time to come]

Definition of 'Yesteryear'

From: GCIDE
  • Yesteryear \Yes"ter*year`\, n. The year last past; last year. [1913 Webster]

Synonyms of 'yesteryear'

From: Moby Thesaurus