adjective
Not crisp.
verb
(intransitive) To become less or not crisp.
(transitive, dated) To stop contorting or tensing (a part of one's body); to cause to be no longer contorted or tensed.
(intransitive, dated) To stop being contorted or tensed (of a part of the body).
(transitive, archaic) To stop (something) from rippling or undulating.