Here are some examples:
* "She couldn't utter a word after the shock." This means she was too surprised to speak at all.
* "He uttered a single word before he left the room." This implies he spoke very briefly, maybe just to acknowledge someone.
* "The baby finally uttered its first word." This means the baby started speaking for the first time.
The phrase "utter a word" can also be used figuratively, meaning to express something verbally. For example:
* "He didn't utter a word of complaint." This means he didn't say anything negative, even though he might have been unhappy.
Overall, "utter a word" emphasizes the action of speaking, and often implies a limited or simple form of communication.