4 adjectives to describe m

Oft amid those haunts, From earnest dialogues I slipped in thought, And let remembrance steal to other times, When, o'er those interwoven roots, moss-clad, 440 And smooth as marble or a waveless sea, Some Hermit, from his cell forth-strayed, might pace In sylvan meditation undisturbed; As on the pavement of a Gothic church Walks a lone M

At the conclusion of this short prayer, all the people uttered a loud m-m-m-h, signifying that they took the words to their hearts.

"nor its raw m-militia, but

The servant who was employed to conduct this singular operation did not above half like the job entrusted to him, and used to tell afterwards how he was frightened out of his wits, and the driver exceedingly astonished, by a sudden pom-m-m from the interior of the carriage, caused by the breaking, in consequence of some atmospheric change, of one of the strings of the violoncello.

4 adjectives to describe  m