Definitions:

1. Describes the manner in which an action is performed with considerable effort or hard work, often indicating that is not easy or quick. ADVERB
   • He laboriously climbed the steep hill, stopping frequently to catch his breath.
2. Implies that the action is tedious or monotonous, requiring sustained effor over a long period. ADVERB
   • The workers laboriously sorted through the pile of documents, one by one.
3. Suggests that something is done slowly and with great attention to detail, often because of the complexity or difficulty of the task. ADVERB
   • She laboriously edited each page of the manuscript, making sure every detail was perfect.

Synonyms:

• arduously
• deligently
• hard
• heavily
• industriously
• strenuosly
• vigorously
• with difficulty