alternately

Adverb

alternately (not comparable)

1. In reciprocal succession; succeeding by turns; in alternate order.
   • Driving downtown is restricted to bikes with odd and even license plate numbers alternately by day of the month.
   • All night Katerina and I watched alternately, though, I shame to say, I slept more than I watched; and, having first ascertained that there was no change, I came directly hither.1834, L[etitia] E[lizabeth] L[andon], chapter IX, in Francesca Carrara. […], volume II, London: Richard Bentley, […], (successor to Henry Colburn), →OCLC, page 102

   Synonyms:

   alternatingly

2. By alternation; when, in a proportion, the antecedent term is compared with antecedent, and consequent.
3. (Canada, US, proscribed, sometimes) Alternatively.
   • Downstairs, he was informed. That is, down the escalators, where there is both a women’s room (often with a line) and a men’s room (almost never with a line). Or alternately, he could ask the station master to buzz him into the “family” bathroom. He opted to go downstairs.2008 July 18, Jennifer 8. Lee, “A ‘Women Only’ Restroom Renovation Tips the Balance at Grand Central”, in The New York Times
   • Westerners have never quite understood the reverence in Japan for fugu, alternately known in English as puffer fish, globefish or blowfish, of the family Tetraodontidae.2020 December 4, Ligaya Mishan, “The Appealing and Potentially Lethal Delicacy That Is Fugu”, in The New York Times Style Magazine