Definition of たいてい
- (adj-na, adv, n) mostly; ordinarily; usually; generally
X記号は数学ではたいてい未知数を表す。
The symbol "X" usually stands for an unknown quantity in mathematics. - probably
- (adj-no, n) most; almost all
夜はたいていの人が寝る時である。
Night is when most people go to bed. - (before a neg. form) ordinary
- (adj-na) proper; appropriate; moderate