On different tacks, now toward, and now away from, the land.(adverb)
Discontinuous; not continuous. Opposite of <ant>continuous</ant>.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "off-and-on" in a sentence
"The family has sought deals off-and-on to take advantage of the water rights for several years, says Mr. Cropsey."
"Under a plan debated off-and-on since the early 1990s, the various separate criminal investigators—from the procuracy, the Interior Ministry, the Federal Security Service FSB, and other bodies—would be united in a single investigatory agency, analogous to the American FBI."
"I'm also, in my off-and-on way, reading "Freedom," and am 320 pages into it, and it's very good, and I can offer this latest, incremental review:"