last year
The previous annum
Last year refers to the year immediately before the current one: Last year we went to Portugal.
It can also mean during the previous twelve months from now: I've learned a lot last year.
The phrase functions as both a time reference and an adverb, requiring no preposition: Last year was difficult, We met last year.
- yesterdayThe previous day
- previousOccurring before another
- precedingComing before in order
- priorExisting before another
- agoBefore the present
current · bygone · annual · retrospective · former · anniversary · recent · tax season · past · hindsight · December · recollection · resolution · old news · time flies · foregoing · flashback · happened