1. In a synonymous manner
   "the two terms are used synonymously"

See also: synonymous

• in the beginning
• in the black
• in the buff
• in the dark
• in the end
• in the first place
• in the flesh
• in the lead
• in the least
• in the long run
• in the lurch
• in the main
• in the meantime
• in the midst
• in the nick of time
• in the public eye
• in the raw
• in the same breath
• in the south
• in the way
• in their right minds
• in theory
• in this
• in time
• in toto