Etymograph

English

slackly

From slack + -ly.

A compound of slack + -ly

Proto-Germanic *slakaz

Proto-West Germanic *slak

Old English slæc

Middle English slak

English slack

Today it means

adv In a slack manner.

Sources

Sources: Wiktionary, “slackly”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / slackly