tireless adj

1 showing sustained enthusiastic action with unflagging vitality; "an indefatigable advocate of equal rights"; "a tireless worker"; "unflagging pursuit of excellence" [syn: indefatigable, unflagging, unwearying]

2 characterized by hard work and perseverance [syn: hardworking, industrious, untiring]

English

Adjective

1. Indefatigable, untiring and not yielding to fatigue

Translations

• Finnish: väsymätön, uupumaton
• French: inlassable
• Greek: ακούραστος

Two submarines of the British Royal Navy have been named HMS Tireless:

• Tireless (P327) was a Taciturn- or T-class submarine that served during the Cold War

• Tireless (S88) is a Trafalgar-class submarine currently in service as of 2007.

shipindex Tireless

active, ardent, assiduous, constant, continuing, determined, diligent, dogged, dynamic, enduring, energetic, enthusiastic, faithful, fervent, hard, hardworking, immutable, inalterable, indefatigable, indomitable, industrious, inexhaustible, insistent, invincible, laborious, lasting, lively, loyal, never idle, never-tiring, obstinate, patient, patient as Job, permanent, perseverant, persevering, persistent, persisting, pertinacious, plodding, plugging, preoccupied, rapt, relentless, resolute, sagging, sedulous, single-minded, sleepless, slogging, spirited, stable, staunch, steadfast, steady, strenuous, stubborn, tenacious, unabating, unconquerable, undaunted, undeviating, undiscouraged, undrooping, unfailing, unfaltering, unflagging, unflinching, unintermitting, uninterrupted, unnodding, unrelaxing, unrelenting, unremitting, unsleeping, unsparing, unswerving, untiring, unwavering, unwearied, unwearying, unwinking, utterly attentive, vehement, vigorous, vital, weariless, zealous