/ɹɪˈtɑɹdɪŋ/
Say it backRetarding, as an adjective or present participle, refers to delaying or hindering progress or development. In biology or electronics it can describe a slowing effect; more broadly it denotes something that causes a delay. The term can be sensitive in modern usage when referring to people with disabilities, so context and phrasing should be chosen carefully. (2–4 sentences, 50–80 words).
"The project faced retarding factors due to supply chain interruptions."
"A retarding field was applied to slow the reaction in the experiment."
"Advances in technology were sometimes retarded by rigid regulations."
Pronounce it as re-TARD-ing, with the secondary stress on the middle syllable. In US and UK IPA: /rɪˈtɑːr.dɪŋ/ (US) and /rɪˈtɑː.dɪŋ/ (UK). Start with a short 'ri' as in render, then a clear 'tard' as in tardy, ending with a soft 'ing'.
Common errors: (1) Misplacing stress—placing it on the first syllable (re-TARD-ing vs ri-TARD-ing). (2) Final syllable devoicing or elision—dropping the -ing or softening it. (3) Vowel quality in /ɪ/ vs /ɪə/ in some accents. Correction: maintain primary stress on the second syllable (re-TARD-ing) with a clear, audible -ing; keep /ɪ/ in the first syllable short and the /ɑː/ in the second long; finish with a crisp /ɪŋ/.
US: /rɪˈtɑːr.dɪŋ/, rhotic r, lengthened /ɑː/ in the stressed syllable. UK: /rɪˈɑː.dɪŋ/ or /rɪˈtɑː.dɪŋ/, non-rhotic r in some speakers? Not typically; most UK speakers produce /r/ in stressed positions. AU: /ɹɪˈtɑː.dɪŋ/ with broader vowel quality and a more centralized /ɹ/; vowel length can be slightly shorter and the final /ɪŋ/ may be graised toward /ɪn/ depending on speaker. Overall, the main differences are rhoticity and vowel duration.
Because of the cluster in the middle: the /t/ followed by a strong /ɑː/ can create a quick transition that's easy to slur. The second syllable’s /ɑːr/ is long and may blur with the following /d/ in fluent speech; final /ɪŋ/ is short and can reduce. The primary difficulty is articulating a clear, stressed /ˈtɑːr/ and then a crisp /dɪŋ/ without blending. Practice with slow practice and focused lip/jaw positions.
The word features a secondary syllable with a strong long vowel and an adjacent consonant block. Your challenge is to maintain clear separation between /t/ and /ɑː/, and then to separate /ɑːr/ from the following /d/. Ensure you don’t reduce the vowel in the stressed syllable; keep the /ɑː/ long and audible, and finish with a distinct /dɪŋ/.
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Retarding derives from the verb retard, from the Late Latin retardare, meaning to delay or slow down. Retard comes from the Latin re- ‘back’ + tardus ‘late, slow,’ which entered English via Old French retard. The sense of causing delay or hindrance appears by the 17th century, expanding in scientific and legal contexts (e.g., “retarding force,” or “retarding action”) by the 1800s. The word’s core conveys slowing or postponement; in modern usage, it can carry pejorative or dehumanizing connotations when applied to people, especially in phrases implying mental or physical disability. Modern writings emphasize precise, respectful phrasing to avoid stigma, preferring terms like “delaying” or “slowing the progression” when describing situations involving people. First known uses include 17th-century English texts using retard to mean to slow; by the 19th century, retard became common in technical domains such as physics and chemistry to describe agents that impede reaction rates or movement. Modern usage tends to rely on context to avoid offense, with increasing awareness around respectful language.
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💡 These words have similar meanings to "retarding" and can often be used interchangeably.
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Words that rhyme with "retarding"
-ing sounds
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