creeping

verb

1. (form-of, gerund, participle, present)present participle and gerund of creep

   “Then, in January, a creeping tsunami of train cancellations, triggered by major staff absences as a result of the aggressive transmissibility of Omicron, heaped further misery on rail users.”

noun

1. The act of something that creeps.

   “It is indubitably certain, therefore, that he is able to attend, and actually attends, to all things at the same moment; to the motions of a seed, or a leaf, or an atom; to the creepings of a worm, the flutterings of an insect, and the journeys of a mite […]”