" lecturer "

1: a person who makes usually formal public speeches;

  * e.g., " ... this evening's lecturer has an uncanny ability to make highly abstruse material understandable to lay audiences "

•  Synonyms : 

•  orator,

•  speaker

•  Antonyms : 

• (N/A)

1: to criticize (someone) severely or angrily especially for personal failings;

  * e.g., " ... the frustrated manager lectured the waitstaff about its poor level of service "

•  Synonyms : 

•  baste,

•  bawl out,

•  berate,

•  call down,

•  castigate,

•  chastise,

•  chew out,

•  dress down,

•  flay,

•  hammer,

•  jaw,

•  keelhaul,

•  lambaste,

•  rag,

•  rail (at or against),

•  rant (at),

•  rate,

•  ream (out),

•  rebuke,

•  reprimand,

•  reproach,

•  scold,

•  score,

•  tongue-lash,

•  upbraid

•  Antonyms : 

• (N/A)

2: to give a formal often extended talk on a subject;

  * e.g., " ... a physician who has lectured before countless audiences on the importance of diet and exercise in avoiding heart disease "

•  Synonyms : 

•  declaim,

•  descant,

•  discourse,

•  expatiate,

•  harangue,

•  orate,

•  speak,

•  talk

•  Antonyms : 

• (N/A)