Last Updated：2025/11/25

(informal) A developmental stage in toddlers, normally occurring around the age of two, involving refusals and temper tantrums.

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terrible twos

Source Word

terrible twos

informal plural plural-only

(informal) A developmental stage in toddlers, normally occurring around the age of two, involving refusals and temper tantrums.

Japanese Meaning

2歳頃の幼児が示す、いわゆるイヤイヤ期。拒否反応やかんしゃくなどの行動がみられる発達段階。 / 2歳児の反抗期としての段階。幼児が自我を表現し始め、従来のルールに反発する時期。

Parenting felt exhausting during the terrible twos, when every simple request turned into a full-blown tantrum.

育児は、2歳ごろのイヤイヤ期にはとても大変で、ちょっとした頼みごとがすべてかんしゃくに発展してしまいました。

Sense（1）

(informal) A developmental stage in toddlers, normally occurring around the age of two, involving refusals and temper tantrums.

The terrible twos can begin at 18 months and last until about age five.