big word—
1. a long word that is difficult to spell:
- Her gift [the dictionary] will always be there on the shelf, helping me to get the big words straight.
2. a rare word, especially when used in pompous speech:
- He is using the big words in an attempt to make himself look smart.
3. the most important word; the key-word:
- In the majority of the ads for new houses, “split-level” is the big word, the selling word.
little word—(also: small word)
1. a short and simple word:
- Jerseymen turn every statement into a question with that little word “Ay?”
2. (coll.) a short conversation:
- I want to have a little word with you about last night.
3. (coll.) a short utterance:
- If anybody dares say one little word about you, I’ll tend to them.