Adverbs for Laborious

strenuously; fantastically; moderately; dreadfully; pleasantly; wholesomely; backbreakingly; elaborately; wearisomely; terribly; undeniably; extremely; oppressively; intricately; objectionably; unexpectedly; surprisingly; unremittingly; sedulously; overwhelmingly; enormously; immensely; painfully; incredibiy; grievously; unbelievably.