deteriorated
Pronounceddih-TIH-ree-er-ay-tihd
verbBecame worse in quality or condition.
verbWas made worse or damaged by someone or something.
Phonics breakdown
Phonics Rule: Letter D
Sound“d”·/d/
The letter D makes the /d/ sound, like in 'dog', 'day', and 'dig'. The tongue tip touches behind the upper teeth.
D is a voiced alveolar stop. The tongue tip touches the ridge just behind the upper front teeth, then releases with voice. It reliably makes the /d/ sound in almost all positions.
Tip
D is for dog — and dog starts with /d/!
Examples
When the letter E appears in a closed syllable, it usually makes the short E sound “eh”. This is often confused with short I by new readers.
Tip
E says “eh” like an egg on your head.
Examples
Phonics Rule: Letter T
Sound“t”·/t/
The letter T makes the /t/ sound, like in 'top', 'tap', and 'ten'. The tongue tip taps behind the upper teeth.
T is a voiceless alveolar stop. The tongue tip touches the ridge behind the upper teeth and releases with a puff of air. Double T (tt) makes the same /t/ sound.
Tip
T taps — touch your tongue to make /t/!
Examples
When the letter E appears in a closed syllable, it usually makes the short E sound “eh”. This is often confused with short I by new readers.
Tip
E says “eh” like an egg on your head.
Examples
Phonics Rule: Letter R
Sound“r”·/r/
The letter R makes the /r/ sound, like in 'run', 'red', and 'rope'. The tongue curls back slightly.
R is a voiced approximant. The tongue curls back or bunches up without touching the roof of the mouth. When R follows a vowel it changes that vowel's sound (r-controlled vowels).
Tip
R is for run — /r/ with a curl of the tongue!
Examples
Phonics Rule: Open Syllable E (Long E)
Sound“ee”·/iː/
When E is the last letter of a syllable, the syllable is open and the E says its name “ee” — like in 'he' and 'me'.
This is the open-syllable pattern: a syllable that ends in a vowel leaves it 'open', so it says its long name. Here, a lone E at the end of a syllable says “ee” (he, me, we, be). The long E sound is also spelled other ways, each its own rule — vowel teams (ee in tree, ea in read) — but those are not open syllables.
Tip
Long E says its name — E!
Examples
Phonics Rule: R-Controlled OR
Sound“or”·/ɔːr/
When R comes after O, it makes the “or” sound, like in 'for' and 'corn'.
OR makes the “or” sound. Unlike ER, IR, UR which all sound the same, OR has its own distinct sound. The companion rule r_controlled_or_er covers the “er” pronunciation after W (word, work).
Tip
OR — the horse in the corner says “or”!
Examples
Phonics Rule: Open Syllable A (Long A)
Sound“ay”·/eɪ/
When A is the last letter of a syllable, the syllable is open and the A says its name “ay” — like in 'ba-by' and 'pa-per'.
This is the open-syllable pattern: a syllable that ends in a vowel leaves that vowel 'open', so it says its long name. Here, a lone A at the end of a syllable says “ay” (ba-by, a-pron, lady). The long A sound is also spelled other ways, each its own rule — silent E (cake), or vowel teams (ai in rain, ay in play) — but those are not open syllables.
Tip
Long A says its name — A!
Examples
Phonics Rule: Letter T
Sound“t”·/t/
The letter T makes the /t/ sound, like in 'top', 'tap', and 'ten'. The tongue tip taps behind the upper teeth.
T is a voiceless alveolar stop. The tongue tip touches the ridge behind the upper teeth and releases with a puff of air. Double T (tt) makes the same /t/ sound.
Tip
T taps — touch your tongue to make /t/!
Examples
Phonics Rule: Suffix -ED (“id” sound)
Sound“id”·/ɪd/
After T or D, -ED says “id” as an extra syllable, like in 'wanted' and 'needed'.
When the base word ends in T or D, -ed adds a whole new syllable “id”. This is the only time the E in -ed is pronounced.
Tip
After T or D, -ED gets its own beat — want-ED, need-ED!
Examples
What is SnapPhonics?
A phonics reference for teachers, parents and learners. Every English word, broken into the sounds that make it — with audio, syllables, and the rule behind each spelling.
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