retard / retarred / ritard [ˈri:tard]
retard – v. – 1. hold back, slow an action; 2. impede progress; 3. defer, postpone
Do Not Confuse With retard [rɪˈtard] – n. – the act of being slowed down or delayed
retarred – v. – past tense and ppl of retar – put on subsequent coats of tar especially on a roof or a road either when initially constructed or when repaired
ritard – adv. & n. – adv. – decrease in speed; n. – in music, a passage played more slowly