seemingly boundless in amount, number, degree, or especially extent; "unbounded enthusiasm"; "children with boundless energy"; "a limitless supply of money"
the position on a baseball team of the player who is stationed behind home plate and who catches the balls that the pitcher throws; "a catcher needs a lot of protective equipment"; "a catcher plays behind the plate"
(baseball) the person who plays the position of catcher
the position of a player on a football team who is stationed behind the line of scrimmage
a support that you can lean against while sitting; "the back of the dental chair was adjustable"
the part of a garment that covers the back of your body; "they pinned a `kick me' sign on his back"
the posterior part of a human (or animal) body from the neck to the end of the spine; "his back was nicely tanned"
the part of something that is furthest from the normal viewer; "he stood at the back of the stage"; "it was hidden in the rear of the store"
(football) a person who plays in the backfield
in or to or toward a past time; "set the clocks back an hour"; "never look back"; "lovers of the past looking fondly backward"
at or to or toward the back or rear; "he moved back"; "tripped when he stepped backward"; "she looked rearward out the window of the car"
in repayment or retaliation; "we paid back everything we had borrowed"; "he hit me and I hit him back"; "I was kept in after school for talking back to the teacher"
in or to or toward a former location; "she went back to her parents' house"
in or to or toward an original condition; "he went back to sleep"
in answer; "he wrote back three days later"; "had little to say in reply to the questions"
strengthen by providing with a back or backing
establish as valid or genuine; "Can you back up your claims?"
shift to a counterclockwise direction; "the wind backed"
travel backward; "back into the driveway"; "The car backed up and hit the tree"
cause to travel backward; "back the car into the parking spot"
support financial backing for; "back this enterprise"
be behind; approve of; "He plumped for the Labor Party"; "I backed Kennedy in 1960"
any of various mostly Mexican herbs of the genus Cosmos having radiate heads of variously colored flowers and pinnate leaves; popular fall-blooming annuals
being or moving higher in position or greater in some value; being above a former position or level; "the anchor is up"; "the sun is up"; "he lay face up"; "he is up by a pawn"; "the market is up"; "the corn is up"
spatially or metaphorically from a lower to a higher position; "look up!"; "the music surged up"; "the fragments flew upwards"; "prices soared upwards"; "upwardly mobile"
to a later time; "they moved the meeting date up"; "from childhood upward"
to a more central or a more northerly place; "was transferred up to headquarters"; "up to Canada for a vacation"
nearer to the speaker; "he walked up and grabbed my lapels"