pcvocabulary

S

sap /sap/ (v) gradually weaken or destroy; The lazy workers sap this country's International competitiveness.

shrink (v) reduce [shrank, shrunk]

sophisticated / suh - fis - ti - keytid / (v) advanced, modern

stammer / stam - er / (v) (n) to speak with involuntary breaks and pauses, or with spasmodic repetitions of syllables or sounds.

strike (v) hit forcibly and deliberately [struck]

stuttering / stuht - er / (n) Stuttering is a speech disorder in which sounds, syllables, or words are repeated or prolonged, disrupting the normal flow of speech. http://www.nidcd.nih.gov/health/voice/stutter.htm