two-time

UK: /ˌtuːˈtaɪm/ US: (to̅o̅′tīm′)

Inflections of 'two-time' (v): (⇒ conjugate)

two-times

v 3rd person singular

two-timing

v pres p

two-timed

v past

two-timed

v past p

WordReference Random House Learner's Dictionary of American English © 2025

ˈtwo-ˌtime,  v. [~ + object] , -timed, -tim•ing. [Informal.]

1. Informal Terms to be unfaithful to (a lover or spouse):
   He was two-timing her for years.
2. Informal Terms to double-cross.

two--tim•er, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2025

two-time  (to̅o̅′tīm′), v.t., -timed, -tim•ing. [Informal.]

1. Informal Terms to be unfaithful to (a lover or spouse).
2. Informal Terms to double-cross.

• 1925–30

two′-tim′er, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

two-time verb

1. to deceive (someone, esp a lover) by carrying on a relationship with another

ˌtwo-ˈtimer noun