laborious

About 1.65 uses per million words.

Meaning

1. adjective Requiring much physical effort; toilsome.
2. adjective Mentally difficult; painstaking.
3. adjective Industrious.

Similar words

toilsome arduous labourious backbreaking gruelling punishing effortful hard grueling heavy

Often followed by

and process task work life to days study than

Word family

laboriously laboriousness laboriousnesses