Basketball Terminology & Officiating Glossary
Codified reference glossary covering technical statutory terms, officiating jargon, and tactical phrases.
Airball
A shot attempt that completely misses the rim, backboard, and net without being touched or deflected.
Alley-Oop
An offensive play in which a player lofts the ball high above the basket for a leaping teammate to catch in mid-air and immediately dunk or lay up.
And-One
When a player is fouled while converting a successful field goal and is subsequently awarded one additional free throw.
Assist
A pass delivered directly to a teammate that leads immediately to a successfully made field goal.
Backcourt Violation
When the offensive team brings the ball across the midcourt line into the frontcourt and then unlawfully touches or returns the ball to the backcourt.
Bank Shot
A field goal attempt where the ball bounces off the tempered glass backboard before dropping through the basket ring.
Box Out
Positioning one's body firmly between an opposing player and the basket to establish optimal rebounding position on a missed shot.
Buzzer Beater
A field goal released just before the period or game clock expires that enters the basket after the horn has sounded.
Carrying (Palming)
An illegal dribbling violation occurring when the ball-handler momentarily brings their hand underneath the ball or rests the ball on their palm while continuing to dribble.
Charging
An offensive foul committed when a player with the ball makes forceful, illegal contact with a defender who has already established legal guarding position.
Clear Path Foul
A personal foul committed against an offensive player who has possession and an unobstructed path to the basket in transition, penalised with two free throws and possession.
Crossover
A foundational dribbling move where the ball-handler rapidly switches the ball from one hand to the other across their body to change direction.
Defensive Three Seconds
An NBA rule prohibiting a defensive player from lingering in the 16-foot key for more than 3 seconds without actively guarding an opponent within arm's length.
Double Dribble
An infraction where a player either dribbles with both hands simultaneously or resumes dribbling after having stopped and held the ball.
Double-Double
The statistical achievement of accumulating 10 or more in two of the five main statistical categories (points, rebounds, assists, steals, blocks) in a single game.
Drop Step
A post-up pivot move where the offensive player takes a sudden backwards step around the defender's hip toward the basket to create an open scoring lane.
Elbow (Court Area)
The junction on the basketball court where the 15-foot free-throw line intersects with the lateral boundary of the key (paint).
Euro Step
A two-step driving move where the attacking player picks up the dribble, steps in one direction to freeze the defender, and immediately steps in the opposite direction for a layup.
Fast Break
A high-speed transition attack executed before the opposing defense can retreat and organize its half-court positioning.
Flagrant Foul
Severe physical contact categorized under NBA/FIBA rules as Flagrant 1 (unnecessary contact) or Flagrant 2 (unnecessary and excessive contact resulting in automatic ejection).
Flop
An intentional, theatrical fall or exaggerated reaction by a player designed to deceive match officials into whistling an unearned foul call.
Free Throw
An uncontested 1-point shot awarded from the 15-foot line following a shooting foul, technical infraction, or penalty team foul bonus.
Full-Court Press
An aggressive defensive scheme where defenders guard their assignments across the entire 94-foot court to force turnovers or 8-second backcourt violations.
Give and Go
A classic offensive action where a player passes the ball to a teammate and immediately cuts toward the basket to receive a return pass for a layup.
Goaltending
An infraction called when a defender touches the ball while it is on its downward flight toward the rim, above cylinder level, or after touching the backboard.
Half-Court Shot
A long-range field goal attempted from behind the division line (greater than 47 feet) at the end of a quarter or shot clock.
Hand-Checking
An illegal defensive tactic where a perimeter defender places their hands on the ball-handler to impede their movement and driving rhythm.
High Post
The strategic offensive area of the court situated near the top of the key and the free-throw line circle.
Illegal Screen (Moving Pick)
An offensive foul committed when a player setting a screen is still moving, leaning, or extending their stance when making contact with a defender.
In-and-Out
A shot that appears to enter the hoop and cylinder before violently spinning out due to rotational momentum.
Isolation (Iso)
An offensive set designed to clear teammates to the perimeter, leaving the ball-handler in a one-on-one situation against their primary defender.
Jump Ball
The official method of starting a game or overtime period where the referee tosses the ball upward between two opposing players in the center circle.
Jump Shot
A standard scoring attempt where the player leaps vertically and releases the ball at the highest point of their elevation.
Key (The Paint)
The restricted rectangular lane beneath the basket bordered by the baseline and the free throw line, subject to 3-second occupancy limits.
Kick Ball Violation
An infraction occurring when a player intentionally strikes, kicks, or blocks the ball with any part of their leg, knee, or foot.
Lane Violation
Stepping into the restricted key lane before the shooter releases the ball during a free-throw attempt.
Layup
A one-handed close-range shot executed by driving toward the rim and banking the ball softly off the backboard into the basket.
Low Post
The tactical playing area located immediately adjacent to the basket along the outer edge of the key.
Man-to-Man Defense
A defensive system where each individual player is assigned to guard a specific opposing offensive counterpart across the floor.
Mid-Range Jumper
A two-point jump shot taken from between the key and the 3-point perimeter arc.
Mismatch
A tactical positional advantage where an offensive player is guarded by a defender with a significant disparity in size, quickness, or strength.
Offensive Rebound
Claiming possession of the basketball following a teammate's missed field goal attempt, resetting the shot clock to 14 seconds.
Over-and-Back
An alternative designation for a backcourt violation once offensive possession is established in the frontcourt.
Pick and Pop
A variation of the pick and roll where the screening player steps outward to the 3-point perimeter for an open jump shot rather than rolling to the rim.
Pick and Roll
A foundational two-player offensive action where a player sets a screen (pick) for the ball-handler and then slips (rolls) toward the basket.
Pivot
The legal movement where a player holding the ball steps in any direction with one foot while keeping the other (pivot foot) stationary on the court.
Post Up
An offensive technique where a player establishes position with their back against a defender in the low or high post to receive an entry pass.
Rebound
Successfully securing possession of the basketball following a missed field goal or free throw attempt.
Restricted Area Arc
The 4-foot (1.25m) semi-circular arc located under the basket where a secondary defender cannot draw an offensive charging foul.
Screen (Pick)
A legal offensive maneuver where a player stands stationary in the path of a defending teammate to free up the ball-handler or cutter.
Shot Clock
The 24-second timer allocated to an offensive team to attempt a field goal that makes contact with the rim or enters the basket.
Sixth Man
The primary substitute player on a team's bench who is not in the starting five but plays significant, game-closing minutes.
Step-Back
An evasive scoring maneuver where the ball-handler suddenly steps backward off their lead foot to create shooting separation from a defender.
Technical Foul
A non-contact administrative or behavioral penalty assessed for unsportsmanlike conduct, delay of game, or dissent, penalised with 1 free throw.
Transition Defense
The rapid phase of defensive organization immediately following a turnover or missed shot as the opposing team breaks up-court.
Traveling
An illegal footwork violation occurring when a player holding the ball takes more than two steps without dribbling or moves their established pivot foot.
Triple-Double
The prestigious statistical milestone of achieving double-digit figures in three statistical categories (e.g. 30 points, 12 rebounds, 11 assists).
Turnover
Losing possession of the basketball to the opposing team due to an infraction, errant pass, steal, or out-of-bounds error.
Unsportsmanlike Foul
A severe personal foul assessed under FIBA regulations when a player makes physical contact with no legitimate intent to play the ball.
Verticality Rule
The legal defensive principle that allows a defender to jump straight up with arms extended vertically inside their imaginary cylinder without fouling.
Zone Defense
A team defensive scheme where each player is responsible for guarding a specific designated area of the floor rather than an individual matchup.