lumbering

(noun) the trade of cutting or preparing or selling timber.

(verb) move heavily or clumsily. Synonyms: lumber, pound. Example: "The heavy man lumbered across the room."

(verb) cut lumber, as in woods and forests. Synonyms: log, lumber.

(adj) slow and laborious because of weight. Synonyms: heavy, ponderous. Examples: "The heavy tread of tired troops." "Moved with a lumbering sag-bellied trot." "Ponderous prehistoric beasts." "A ponderous yawn."