fat·i·ga·ble 
(fătĭ-gə-bəl)
(fătĭ-gə-bəl)adj.
Subject to fatigue.
[French, from Old French, from Late Latin fatīgābilis, from Latin fatīgāre, to fatigue.]
fat′i·ga·bili·ty n.
- retrogression
- retrogressive
- retrogressively
- retrolental
- retronym
- retroocular
- retroperitoneal
- retropharyngeal
- retrorocket
- retrorse
- retrorsely
- retrospect
- retrospection
- retrospective
- retrospectively
- retrotransposon
- retroussé
- retroversion
- retroviral
- retrovirologist
- retrovirology
- retrovirus
- retry
- retsina
- return