adj · adv · intj · name · noun · 9 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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General-American:/ɑɹd/
Received-Pronunciation:/ɑːd/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -ɑː(ɹ)d
CMU ARPABET:AA1 R D
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Contraction of all right.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
name
Meaning 5
A surname.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
A simple plough consisting of a spike dragged through the soil.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: ard plough, scratch plough
Antonyms: none provided
7
noun
Meaning 7
Initialism of acid reflux disease.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, initialism
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
8
noun
Meaning 8
Initialism of acute respiratory disease.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, initialism
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
noun
Meaning 9
Initialism of aftertreatment regeneration device (on Diesel engines manufactured by Caterpillar Inc.)
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, initialism
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Contraction of all right, possibly influenced by regional Philadelphia English pronunciation.
A Scottish habitational name from any of several places called Aird, whose names in turn derive from Scottish Gaelic àird (“promontory, height”) or àirde (“height”), from àrd (“high”).
Borrowed from Norwegian ard (“plough”), from Old Norse arðr, from Proto-Germanic *arþrą (“plough”), from Proto-Indo-European *h2érh3trom (“plough”), whence also Latin aratrum.
Across languages
Translations
16 source translations are retained for this English entry.