The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
hardworking, industrious, tireless, untiring
(adjective) characterized by hard work and perseverance
indefatigable, tireless, unflagging, unwearying
(adjective) showing sustained enthusiastic action with unflagging vitality; “an indefatigable advocate of equal rights”; “a tireless worker”; “unflagging pursuit of excellence”
Source: WordNet® 3.1
(intransitive) tire + -less
tireless (not comparable)
Indefatigable, untiring and not yielding to fatigue
• untiring
tireless (not comparable)
Without a tire (wheel covering); tyreless.
• Leisters, leisters, riteless
Source: Wiktionary
Tire"less, a.
Definition: Untiring.
Source: Webster’s Unabridged Dictionary 1913 Edition
30 May 2025
(noun) (sports) a return made with the palm of the hand facing the direction of the stroke (as in tennis or badminton or squash)
The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.