Definition of full beam
: the setting of a vehicle's headlights that makes the brightest light : high beam The car's headlights were on full beam.
Word by Word Definitions
: containing as much or as many as is possible or normal
: complete especially in detail, number, or duration
: lacking restraint, check, or qualification
: very, extremely
: straight, squarely
: the highest or fullest state or degree
: the utmost extent
: to become full
: to make full in sewing
: to shrink and thicken (woolen cloth) by moistening, heating, and pressing
Seen and Heard
What made you want to look up full beam? Please tell us where you read or heard it (including the quote, if possible).