undertone

the sexual undertones of most advertising.

though they were speaking in undertones, Percival could hear them.

There was an undertone of sadness in her voice.

The meeting had an undertone of tension.

His words had a subtle undertone of sarcasm.

The painting had an undertone of mystery.

There was an undertone of excitement in the crowd.

Her smile had an undertone of mischief.

The book had an undertone of nostalgia.

The movie had an undertone of suspense throughout.

The speech had an undertone of hope and optimism.

There was an undertone of disappointment in his expression.