cfr.

An abbreviation of the Italian confronta, second-person singular imperative form of confrontare.

cfr.

1. (imperative) Compare.

• cf. (Latinate)

• The New Penguin Dictionary of Abbreviations: from A to zz, Rosalind Fergusson. (Penguin Books, 2000), page 89

• CRF, FRC, RFC

cfr.

1. abbreviation of (imperative) confronta

cfr.

1. abbreviation of cónfer

cfr.

1. abbreviation of confróntese

• “confer”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025
• cónfer | Diccionario de la lengua española (2001) | RAE - ASALE
• «ib.»/«ibid.», «cf.»/«cfr.» | FundéuRAEFundéuRAE