adv · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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UK:/ləˈbɔː.ɹi.əs.lɪ/
US:/ləˈbɔɹ.i.əs.li/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:L AH0 B AO1 R IY0 AH0 S L IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adv
Meaning 1
With great expenditure of effort, in a manner requiring much labor.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Examples
The heavy man laboriously climbed the steep mountain, pulling himself up inch by inch.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adverb
Meaning 2
in a laborious manner
Definition source: Princeton WordNet 3.0
Examples
their lives were spent in committee making decisions for others to execute on the basis of data laboriously gathered for them
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree English laborious Middle English -ly English -ly English laboriously From laborious + -ly.
Across languages
Translations
9 source translations are retained for this English entry.
Catalan:
laboriosament
— with great expenditure of effort
Czech:
pracně
— with great expenditure of effort
Finnish:
hankalasti
— with great expenditure of effort
French:
laborieusement
— with great expenditure of effort
Hungarian:
fáradságosan
— with great expenditure of effort
Hungarian:
nehézkesen
— with great expenditure of effort
Hungarian:
vesződségesen
— with great expenditure of effort
Latin:
labōriōsē
— with great expenditure of effort
Spanish:
laboriosamente
— with great expenditure of effort