1 a) The word is a unit of speech used for the purpose of human communication. Thus, the word can be defined as a unit of communication.
b) We can define the word as a linguistic phenomenon. (Arnold, p.9 – definition). A word therefore is simultaneously a semantic, grammatical and phonological unit.
2 (p 7)
3 irresistible [z] ir-re-sist-ible 1) external structure – its morphological structure; the prefixes ir – re; the root – sist; the adjective forming suffix – ible; 2) internal structure – its meaning: so strong that it cannot be stopped or resisted: His arguments were irresistible.
5 blackboard – as a unity – a large board with a smooth black surface that teachers write on with a piece of chalk.