lagging

/ˈlæɡɪŋ/
noun
  1. Material used to insulate a pipe, boiler, or other equipment to prevent heat loss or condensation.
    • We need to replace the old lagging on the boiler before winter.
    • The plumber wrapped the hot water pipe with lagging to save energy.
    • The attic's lagging helped keep the house warm during the cold months.
adjective
  1. Falling behind; slower than expected or desired.
    • The lagging sales figures worried the company's executives.
    • Her lagging performance in math prompted her to get a tutor.
    • The lagging runner pushed herself to finish the race.
Antonyms
verb
  1. Present participle of lag: to fall behind; to move or develop more slowly than others.
    • The student's grades are lagging because she misses too many classes.
    • Our internet connection is lagging, making video calls difficult.
    • The youngest hiker was lagging behind the group.
What does "lagging" mean? | whatsthatwordmean | whatsthatwordmean