Sunday's edition of The New York Times' Connections puzzle sent players through electrical terminology, digital slang, bathroom fixtures and a tricky wordplay category built around facial expressions, delivering what many players rated as one of the tougher boards of the week.

Connections challenges players to sort 16 words or phrases into four hidden groups of four, with each group tied to a shared theme. The categories are ranked by difficulty and color-coded accordingly, running from yellow for the most straightforward group to purple for the trickiest, which frequently leans on wordplay, hidden patterns or double meanings. Players are allowed four total mistakes before the puzzle ends, and the daily game continues to rank among the Times' most popular digital offerings alongside Wordle.

Sunday's yellow group, the day's easiest category, centered on components of an electrical circuit: BREAKER, FUSE, RELAY and SWITCH. Each term describes a distinct piece of hardware involved in controlling or protecting the flow of electrical current, from a circuit breaker that interrupts power during an overload to a switch that opens or closes a circuit manually.

The green group asked players to identify digital coupling verbs: CONNECT, JOIN, PAIR and SYNC. Each word describes the act of linking two devices, accounts or pieces of technology together, a category that reflects increasingly common tech vocabulary from Bluetooth pairing to account syncing across platforms. Several solvers reported........

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