lightweight

definition: weighing relatively little compared with another item or object of similar use
example: a lightweight fabric
speech part: adjective
synonyms:
definition: having no importance or influence
example: a lightweight intellect
speech part: adjective
synonyms:
definition: a professional boxer who weighs between 131 and 135 pounds
example:
speech part: noun
synonyms:
definition: a wrestler who weighs 139-154 pounds
example:
speech part: noun
synonyms:
definition: an amateur boxer who weighs no more than 132 pounds
example:
speech part: noun
synonyms:
definition: someone who is unimportant but cheeky and presumptuous
example:
speech part: noun
synonyms: whippersnapper jackanapes

lightweight is explained and pronounced

How lightweight is being used?