[syn: atavistic, throwback(a)]
The Collaborative International Dictionary of English v.0.48:
throwback \throw"back\, n.
1. the reappearance in an organism of characteristics of an
earlier ancestral type; atavism.
2. an organisms having characteristics of an earlier
Moby Thesaurus II by Grady Ward, 1.0:
40 Moby Thesaurus words for "throwback":
atavism, backset, backsliding, backward deviation, backward motion,
backward step, check, comedown, descent, down, falling back, lapse,
reaction, recession, recidivation, recidivism, recrudescence,
recurrence, reentry, refluence, reflux, regress, regression,
relapse, renewal, retroaction, retrocession, retroflexion,
retrogradation, retrogression, retrusion, return, reversal,
reverse, reverse of fortune, reversion, rollback, setback,
severe check, sternway